(Fmake_terminal_frame): Test MSDOS, not __MSDOS__.

diff --git a/src/frame.c b/src/frame.c
index bfa8046a0ea41dc6f582050d08e0f5477da5146a..7d4c3422a6dec1686b4b2e5fa5a061075b0ee0f3 100644 (file)
--- a/src/frame.c
+++ b/src/frame.c
@@ -525,7 +525,7 @@ Note that changing the size of one terminal frame automatically affects all.")
   struct frame *f;
   Lisp_Object frame;
 
-#ifdef __MSDOS__
+#ifdef MSDOS
   if (selected_frame->output_method != output_msdos_raw)
     abort ();
 #else