Index: trunk/psLib/test/sys/tap_psString.c
===================================================================
--- trunk/psLib/test/sys/tap_psString.c	(revision 17515)
+++ trunk/psLib/test/sys/tap_psString.c	(revision 24023)
@@ -420,5 +420,6 @@
 
         //psStringAppend should return 0 for NULL input format
-        outSize = psStringAppend(test, nullTest);
+	// note that only a string literal is allowed for the NULL due to gcc change
+        outSize = psStringAppend(test, NULL);
         ok(outSize == 0, "psStringAppend to return 0 for NULL input format");
 
@@ -428,5 +429,6 @@
 
         //psStringPrepend should return 0 for NULL input format
-        outSize = psStringPrepend(test, nullTest);
+	// note that only a string literal is allowed for the NULL due to gcc change
+        outSize = psStringPrepend(test, NULL);
         ok(outSize == 0, "psStringPrepend to return 0 for NULL input format");