guard against invalid color ref

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@70403 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/osx/carbon/graphics.cpp b/src/osx/carbon/graphics.cpp
index 3a5306d1bb23de6cb550df9d5cba1c8a06705703..549b20130072d7a16478657918236bc725bd3247 100644 (file)
--- a/src/osx/carbon/graphics.cpp
+++ b/src/osx/carbon/graphics.cpp
@@ -165,6 +165,7 @@ CGColorRef wxMacCreateCGColor( const wxColour& col )
     }
 
 #endif
+    wxASSERT(retval != NULL);
     return retval;
 }