should use array delete on a wxString object (line 991) that is not an array of wxStrings

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9017 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/filefn.cpp

@@ -988,7 +988,7 @@ wxConcatFiles (const wxString& file1, const wxString& file2, const wxString& fil
 
   fclose (fp3);
   bool result = wxRenameFile(outfile, file3);
-  delete[] outfile;
+  delete outfile;
   return result;
 }