Don't crash if an X terminal is deleted with force == t.

* xftfont.c (xftfont_end_for_frame): Just return if dpyinfo->display
is NULL.

* xterm.c (x_delete_terminal): Set dpyinfo->display to NULL.

* frame.c (frame_make_pointer_invisible)
(frame_make_pointer_visible): Just return if there isn't any selected
frame.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/xterm.c b/src/xterm.c
index 94093bd3848..9feb6c8966a 100644
--- a/src/xterm.c
+++ b/src/xterm.c
@@ -10747,6 +10747,8 @@ x_delete_terminal (struct terminal *terminal)
 #endif /* ! USE_GTK */
     }
 
+  /* Mark as dead. */
+  dpyinfo->display = NULL;
   x_delete_display (dpyinfo);
   UNBLOCK_INPUT;
 }