Fix testsuite/g++.dg/opt/20050511-1.C compilation error on VxWorks 7

In VxWorks 7, UINT32 is defined in both modes, kernel and rtp.  Adjust
the work around accordingly.


for  gcc/testsuite/ChangeLog

	* g++.dg/opt/20050511-1.C: Work around UINT32 in vxworks rtp
	headers too.

Author: lambourg

gcc/testsuite/g++.dg/opt/20050511-1.C

@@ -5,7 +5,7 @@
 #include <stdlib.h>
 
 // The VxWorks kernel headers define their own UINT32
-#if defined __vxworks && !defined __RTP__
+#if defined __vxworks
 #define UINT32 my_UINT32
 #endif