Replace the version numbers with the one in FreeBSD ports.

Refer: devel/dbus-sharp and devel/dbus-sharp-glib
--- configure.orig	2020-06-21 21:58:28 UTC
+++ configure
@@ -3189,15 +3189,15 @@ if test -n "$DBUS_SHARP_CFLAGS"; then
     pkg_cv_DBUS_SHARP_CFLAGS="$DBUS_SHARP_CFLAGS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"dbus-sharp-1.0 >= \$DBUS_SHARP_REQ_VERSION \\
-                              dbus-sharp-glib-1.0 >= \$DBUS_SHARP_GLIB_REQ_VERSION\""; } >&5
-  ($PKG_CONFIG --exists --print-errors "dbus-sharp-1.0 >= $DBUS_SHARP_REQ_VERSION \
-                              dbus-sharp-glib-1.0 >= $DBUS_SHARP_GLIB_REQ_VERSION") 2>&5
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"dbus-sharp-2.0 >= \$DBUS_SHARP_REQ_VERSION \\
+                              dbus-sharp-glib-2.0 >= \$DBUS_SHARP_GLIB_REQ_VERSION\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "dbus-sharp-2.0 >= $DBUS_SHARP_REQ_VERSION \
+                              dbus-sharp-glib-2.0 >= $DBUS_SHARP_GLIB_REQ_VERSION") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-  pkg_cv_DBUS_SHARP_CFLAGS=`$PKG_CONFIG --cflags "dbus-sharp-1.0 >= $DBUS_SHARP_REQ_VERSION \
-                              dbus-sharp-glib-1.0 >= $DBUS_SHARP_GLIB_REQ_VERSION" 2>/dev/null`
+  pkg_cv_DBUS_SHARP_CFLAGS=`$PKG_CONFIG --cflags "dbus-sharp-2.0 >= $DBUS_SHARP_REQ_VERSION \
+                              dbus-sharp-glib-2.0 >= $DBUS_SHARP_GLIB_REQ_VERSION" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
@@ -3209,15 +3209,15 @@ if test -n "$DBUS_SHARP_LIBS"; then
     pkg_cv_DBUS_SHARP_LIBS="$DBUS_SHARP_LIBS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"dbus-sharp-1.0 >= \$DBUS_SHARP_REQ_VERSION \\
-                              dbus-sharp-glib-1.0 >= \$DBUS_SHARP_GLIB_REQ_VERSION\""; } >&5
-  ($PKG_CONFIG --exists --print-errors "dbus-sharp-1.0 >= $DBUS_SHARP_REQ_VERSION \
-                              dbus-sharp-glib-1.0 >= $DBUS_SHARP_GLIB_REQ_VERSION") 2>&5
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"dbus-sharp-2.0 >= \$DBUS_SHARP_REQ_VERSION \\
+                              dbus-sharp-glib-2.0 >= \$DBUS_SHARP_GLIB_REQ_VERSION\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "dbus-sharp-2.0 >= $DBUS_SHARP_REQ_VERSION \
+                              dbus-sharp-glib-2.0 >= $DBUS_SHARP_GLIB_REQ_VERSION") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-  pkg_cv_DBUS_SHARP_LIBS=`$PKG_CONFIG --libs "dbus-sharp-1.0 >= $DBUS_SHARP_REQ_VERSION \
-                              dbus-sharp-glib-1.0 >= $DBUS_SHARP_GLIB_REQ_VERSION" 2>/dev/null`
+  pkg_cv_DBUS_SHARP_LIBS=`$PKG_CONFIG --libs "dbus-sharp-2.0 >= $DBUS_SHARP_REQ_VERSION \
+                              dbus-sharp-glib-2.0 >= $DBUS_SHARP_GLIB_REQ_VERSION" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
@@ -3238,17 +3238,17 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        DBUS_SHARP_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "dbus-sharp-1.0 >= $DBUS_SHARP_REQ_VERSION \
-                              dbus-sharp-glib-1.0 >= $DBUS_SHARP_GLIB_REQ_VERSION" 2>&1`
+	        DBUS_SHARP_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "dbus-sharp-2.0 >= $DBUS_SHARP_REQ_VERSION \
+                              dbus-sharp-glib-2.0 >= $DBUS_SHARP_GLIB_REQ_VERSION" 2>&1`
         else
-	        DBUS_SHARP_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "dbus-sharp-1.0 >= $DBUS_SHARP_REQ_VERSION \
-                              dbus-sharp-glib-1.0 >= $DBUS_SHARP_GLIB_REQ_VERSION" 2>&1`
+	        DBUS_SHARP_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "dbus-sharp-2.0 >= $DBUS_SHARP_REQ_VERSION \
+                              dbus-sharp-glib-2.0 >= $DBUS_SHARP_GLIB_REQ_VERSION" 2>&1`
         fi
 	# Put the nasty error message in config.log where it belongs
 	echo "$DBUS_SHARP_PKG_ERRORS" >&5
 
-	as_fn_error $? "Package requirements (dbus-sharp-1.0 >= $DBUS_SHARP_REQ_VERSION \
-                              dbus-sharp-glib-1.0 >= $DBUS_SHARP_GLIB_REQ_VERSION) were not met:
+	as_fn_error $? "Package requirements (dbus-sharp-2.0 >= $DBUS_SHARP_REQ_VERSION \
+                              dbus-sharp-glib-2.0 >= $DBUS_SHARP_GLIB_REQ_VERSION) were not met:
 
 $DBUS_SHARP_PKG_ERRORS