Index: bin/webmux.pl.in
--- rt-3.4.2-pristine/bin/webmux.pl.in  2005-05-11 20:36:48.064856616 -0400
+++ rt-3.4.2/bin/webmux.pl.in   2005-05-11 20:39:43.540180312 -0400
@@ -64,6 +64,12 @@
 }

 use lib ( "@LOCAL_LIB_PATH@", "@RT_LIB_PATH@" );
+if ($ENV{RT_INSTANCE_PATH}) {
+    lib->import("$ENV{RT_INSTANCE_PATH}/local/lib");
+}
+if ($ENV{RT_VENDOR_PATH}) {
+    lib->import($ENV{RT_VENDOR_PATH});
+}
 use RT;

 package RT::Mason;