(SELECTED_FRAME): Change definition to compile cleanly

on 64-bit systems where NULL is defined as `0'.

diff --git a/src/frame.h b/src/frame.h
index 8183b5166087c6dfdf9af9a27965c1e7ffb26875..561b144acce04bb53b34198cbb9502119f2a9e7b 100644 (file)
--- a/src/frame.h
+++ b/src/frame.h
@@ -685,7 +685,7 @@ extern Lisp_Object selected_frame;
      ((FRAMEP (selected_frame)                         \
        && FRAME_LIVE_P (XFRAME (selected_frame)))      \
       ? XFRAME (selected_frame)                                \
-      : (struct frame *) (abort (), NULL))
+      : (abort (), (struct frame *) 0))
 
 \f
 /***********************************************************************