[ostree] remote: Minor argument parsing cleanup

[Colin Walters <walters src gnome org>]

commit 6eac1085601db797661ca18e05f9235c3f742de7
Author: Colin Walters <walters verbum org>
Date:   Sat Jun 21 12:11:56 2014 -0400

    remote: Minor argument parsing cleanup
    
    Only access relevant portion of argv after we've verified argc.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=731984

 src/ostree/ot-builtin-remote.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/src/ostree/ot-builtin-remote.c b/src/ostree/ot-builtin-remote.c
index 75abc55..3a9c3b7 100644
--- a/src/ostree/ot-builtin-remote.c
+++ b/src/ostree/ot-builtin-remote.c
@@ -98,7 +98,7 @@ ostree_builtin_remote (int argc, char **argv, OstreeRepo *repo, GCancellable *ca
 
   if (!strcmp (op, "add"))
     {
-      const char *url = argv[3];
+      const char *url;
       char **iter;
       gs_free char *target_name = NULL;
       gs_unref_object GFile *target_conf = NULL;
@@ -110,6 +110,8 @@ ostree_builtin_remote (int argc, char **argv, OstreeRepo *repo, GCancellable *ca
           goto out;
         }
 
+      url = argv[3];
+
       optbuilder = g_variant_builder_new (G_VARIANT_TYPE ("a{sv}"));
 
       if (argc > 4)