From: Bill Mills <wm.a.mills_at_gmail.com>

When creating no_proxy env value, don't put a trailing comma
It messes up wget.

Patch against 2.29.6-0ubuntu5

--- gnome-terminal-2.29.6.orig/src/terminal-screen.c
+++ gnome-terminal-2.29.6/src/terminal-screen.c
@@ -1431,12 +1431,15 @@
 	  GSList *old;
 
 	  g_string_append (buf, ignore->data);
-	  g_string_append_c (buf, ',');
 
 	  old = ignore;
 	  ignore = g_slist_next (ignore);
 	  g_free (old->data);
 	  g_slist_free_1 (old);
+          if (ignore != NULL)
+            {
+              g_string_append_c (buf, ',');
+            }
 	}
       set_proxy_env (env_table, "no_proxy", g_string_free (buf, FALSE));
     }