Changed the code that disabled __WXDEBUG__ to only disable global debug new.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_2_BRANCH@7537 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/defs.h

@@ -518,9 +518,13 @@ class WXDLLEXPORT wxEvent;
 // where should i put this? we need to make sure of this as it breaks
 // the <iostream> code.
 #if !wxUSE_IOSTREAMH && defined(__WXDEBUG__)
-#ifndef __MWERKS__
-#undef __WXDEBUG__
-#endif
+#  ifndef __MWERKS__
+// #undef __WXDEBUG__
+#    ifdef wxUSE_DEBUG_NEW_ALWAYS
+#    undef wxUSE_DEBUG_NEW_ALWAYS
+#    define wxUSE_DEBUG_NEW_ALWAYS 0
+#    endif
+#  endif
 #endif
 
 // Callback function type definition