diff -ru ./aclocal.m4 ../../work-save/nmh-1.2/aclocal.m4
--- ./aclocal.m4	Wed Dec 14 16:45:36 2005
+++ ../../work-save/nmh-1.2/aclocal.m4	Wed Feb 22 15:37:56 2006
@@ -44,7 +44,7 @@
 dnl the right header files.)
 AC_DEFUN(NMH_CHECK_DBM,
 [
-if test "x$1" == "x"; then
+if test "x$1" = "x"; then
    nmh_libs=
    dnl this is just for the benefit of AC_CACHE_CHECK's message
    nmh_testname=libc