Coverity CID117: Ignore returned_null here, because we know it can't happen because the Matches() above succeeded

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@38856 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/unix/fontenum.cpp

@@ -197,6 +197,7 @@ static bool ProcessFamiliesFromFontList(wxFontEnumerator *This,
             continue;
         }
 
+        // coverity[returned_null]
         char *dash = strchr(font + 1, '-');
         char *family = dash + 1;
         dash = strchr(family, '-');