Fix tty state problem after error in `set-quit-char'.

* src/keyboard.c (Fset_quit_char): Don't leave tty state uninitialized
  after an error.

git-archimport-id: lorentey@elte.hu--2004/emacs--multi-tty--0--patch-512

1 files changed, 3 insertions, 3 deletions

diff --git a/src/keyboard.c b/src/keyboard.c
index 319e6d24974..c393e676e2d 100644
--- a/src/keyboard.c
+++ b/src/keyboard.c
@@ -10909,14 +10909,14 @@ See also `current-input-mode'.  */)
     return Qnil;
   tty = t->display_info.tty;
 
+  if (NILP (quit) || !INTEGERP (quit) || XINT (quit) < 0 || XINT (quit) > 0400)
+    error ("QUIT must be an ASCII character");
+
 #ifndef DOS_NT
   /* this causes startup screen to be restored and messes with the mouse */
   reset_sys_modes (tty);
 #endif
   
-  if (NILP (quit) || !INTEGERP (quit) || XINT (quit) < 0 || XINT (quit) > 0400)
-    error ("QUIT must be an ASCII character");
-
   /* Don't let this value be out of range.  */
   quit_char = XINT (quit) & (tty->meta_key == 0 ? 0177 : 0377);