[evolution-data-server] google: Fix a gcc warning in the Google backend

[Philip Withnall <pwithnall src gnome org>]

commit a913943933674bb1d6da0d31b5edefc40c2d4d8b
Author: Philip Withnall <philip tecnocode co uk>
Date:   Sat May 19 23:16:27 2012 +0100

    google: Fix a gcc warning in the Google backend
    
    Signed/Unsigned comparison.

 .../backends/google/e-book-backend-google.c        |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/addressbook/backends/google/e-book-backend-google.c b/addressbook/backends/google/e-book-backend-google.c
index 3e6ace0..5b94625 100644
--- a/addressbook/backends/google/e-book-backend-google.c
+++ b/addressbook/backends/google/e-book-backend-google.c
@@ -930,7 +930,7 @@ map_google_with_evo_group (const gchar *group_name,
 		{ GDATA_CONTACTS_GROUP_FAMILY,    N_("Family")   }, /* System Group: Family */
 		{ GDATA_CONTACTS_GROUP_COWORKERS, N_("Coworkers") } /* System Group: Coworkers */
 	};
-	gint ii;
+	guint ii;
 
 	if (!group_name)
 		return NULL;