A temporary hDIB was not being unlocked before exiting the function where the lock was obtained

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9361 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/dib.cpp

@@ -619,6 +619,9 @@ static BOOL PASCAL MakeBitmapAndPalette(HDC hDC, HANDLE hDIB,
             result = TRUE;
         }
     }
+
+	GlobalUnlock (hDIB);  // glt
+
     return(result);
 }