include wxcrtvararg.h (non precomp) for wxVsnprintf/wxSscanf

src/common/memory.cpp

@@ -27,6 +27,7 @@
     #include "wx/app.h"
     #include "wx/hash.h"
     #include "wx/log.h"
+    #include "wx/wxcrtvararg.h" // for wxVsnprintf 
 #endif
 
 #if wxUSE_THREADS

src/x11/font.cpp

@@ -35,6 +35,7 @@
     #include "wx/utils.h"       // for wxGetDisplay()
     #include "wx/settings.h"
     #include "wx/gdicmn.h"
+    #include "wx/wxcrtvararg.h" // for wxSscanf
 #endif
 
 #include "wx/fontutil.h"    // for wxNativeFontInfo