Only create wxBuffer on wxMSW and wxMac platforms

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@15200 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

utils/dialoged/src/reswrite.cpp

@@ -36,7 +36,9 @@
 
 #include "reseditr.h"
 
+#if !defined(__WXMSW__) && defined(__WXMAC__)
 static char wxBuffer[512];
+#endif
 
 char *SafeString(char *s);
 char *SafeWord(const wxString& s);