(reset_terminal_modes): Only invoke hook if defined.

diff --git a/src/term.c b/src/term.c
index 39aba03da9f71fab68d8b9dfb81de49500d3c30c..db1f317114e2e1fc5c6c8628dfd32d5cb839dba9 100644 (file)
--- a/src/term.c
+++ b/src/term.c
@@ -371,7 +371,8 @@ reset_terminal_modes ()
 {
   if (! FRAME_TERMCAP_P (selected_frame))
     {
-      (*reset_terminal_modes_hook) ();
+      if (reset_terminal_modes_hook)
+       (*reset_terminal_modes_hook) ();
       return;
     }
   if (TN_standout_width < 0)