[dia] [scan-build] Dereference of null pointer (maybe)

[Hans Breuer <hans src gnome org>]

commit f6debba6748d0468d34d337146fa95147866a215
Author: Hans Breuer <hans breuer org>
Date:   Fri Sep 5 13:00:55 2014 +0200

    [scan-build] Dereference of null pointer (maybe)
    
    Access to field 'object' results in a dereference of a null pointer
    (loaded from variable 'cp')
    File: /home/hb/from-git/dia/lib/autoroute.c
    Line: 276

 lib/autoroute.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/lib/autoroute.c b/lib/autoroute.c
index d64834d..ef2fc15 100644
--- a/lib/autoroute.c
+++ b/lib/autoroute.c
@@ -269,7 +269,7 @@ autolayout_adjust_for_gap(Point *pos, int dir, ConnectionPoint *cp)
   Point dir_other;
   /* Do absolute gaps here, once it's defined */
   
-  if (!connpoint_is_autogap(cp)) {
+  if (!cp || !connpoint_is_autogap(cp)) {
     return *pos;
   }