[grilo-plugins] Initialize an iterator variable outside of the for loop to fix a build error.

[Jasper Lievisse Adriaanse <jasperla src gnome org>]

commit e96cf8fd77bbbda29823b62a5719358fe8928038
Author: Jasper Lievisse Adriaanse <jasper humppa nl>
Date:   Wed May 29 18:55:42 2013 +0200

    Initialize an iterator variable outside of the for loop to fix a build error.
    
    error: 'for' loop initial declaration used outside C99 mode

 test/test_tmdb_full_resolution.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/test/test_tmdb_full_resolution.c b/test/test_tmdb_full_resolution.c
index 33e8b26..64db91b 100644
--- a/test/test_tmdb_full_resolution.c
+++ b/test/test_tmdb_full_resolution.c
@@ -42,7 +42,8 @@ static const gchar*
 get_region_certificate (GrlMedia *media, const gchar *region)
 {
   guint count = grl_data_length (GRL_DATA (media), GRL_METADATA_KEY_REGION);
-  for (guint i = 0; i < count; ++i) {
+  guint i;
+  for (i = 0; i < count; ++i) {
     const GDateTime* publication_date = NULL;
     const gchar *certificate = NULL;
     const gchar *this_region =