[glib] gapplication(1): print GVariant errors in context

[Ryan Lortie <desrt src gnome org>]

commit 94a89f6c2fdbffe562a0ec34a979c01fefc5a9ac
Author: Ryan Lortie <desrt desrt ca>
Date:   Fri Nov 22 12:57:21 2013 -0500

    gapplication(1): print GVariant errors in context
    
    Use g_variant_parse_error_print_context() to format the error message
    from the GVariant parser.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=715028

 gio/gapplication-tool.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/gio/gapplication-tool.c b/gio/gapplication-tool.c
index c152909..11fdce0 100644
--- a/gio/gapplication-tool.c
+++ b/gio/gapplication-tool.c
@@ -336,9 +336,13 @@ app_action (gchar **args)
 
       if (!parameter)
         {
-          g_printerr (_("error parsing action parameter: %s\n"), error->message);
+          gchar *context;
+
+          context = g_variant_parse_error_print_context (error, args[2]);
+          g_printerr (_("error parsing action parameter: %s\n"), context);
           g_variant_builder_clear (&params);
           g_error_free (error);
+          g_free (context);
           return 1;
         }