Fix testsuite/g++.old-deja/g++.mike/p658.C build failure on VxWorks RTP

The conflicting definition of OK is present in VxWorks RTP headers too.


for  gcc/testsuite/ChangeLog

	* g++.old-deja/g++.mike/p658.C: Also undefine OK on VxWorks RTP.

Author: lambourg

gcc/testsuite/g++.old-deja/g++.mike/p658.C

@@ -12,9 +12,9 @@
 #define TRUE true
 #endif
 
-// The VxWorks kernel-mode headers define a macro named "OK", which is not
+// The VxWorks headers define a macro named "OK", which is not
 // ISO-compliant, but is part of the VxWorks API.
-#if defined __vxworks && !defined __RTP__
+#if defined __vxworks
 #undef OK
 #endif