Small changes

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_2_BRANCH@7113 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/datetime.h

@@ -30,7 +30,8 @@ class WXDLLEXPORT wxDateSpan;
 // performances and this only leads to increased rebuild time (because every
 // time an inline method is changed, all files including the header must be
 // rebuilt)
-#ifdef __WXDEBUG__
+// For Mingw32, causes a link error.
+#if defined( __WXDEBUG__) && !defined(__MINGW32__)
     #define inline
 #endif // Debug