Fix crash in address completion when matching group name.

diff --git a/src/addr_compl.c b/src/addr_compl.c
index c3ffefb011abdedfabfb0fdd5f257962ef4fdbf3..b3398f6696f056c46e97c8a1e1bb6b6f89557160 100644 (file)
--- a/src/addr_compl.c
+++ b/src/addr_compl.c
@@ -231,7 +231,14 @@ static gint addr_comparison_func(gconstpointer a, gconstpointer b)
                return 1;
        else {
            cmp = strcmp(a_ref->name, b_ref->name);
-           return cmp ? cmp :  strcmp(a_ref->address, b_ref->address);
+               if (cmp)
+                   return cmp;
+               else {
+                       if (a_ref->address && b_ref->address)
+                               return strcmp(a_ref->address, b_ref->address);
+                       else
+                               return -1;
+               }
        }
 }