[glib] registrybackend: fix warning about unused variable

[Ignacio Casal Quinteiro <icq src gnome org>]

commit 13057bb73e230083c91beeece36433f2b0d70499
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Wed Feb 24 09:18:42 2016 +0100

    registrybackend: fix warning about unused variable

 gio/gregistrysettingsbackend.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/gio/gregistrysettingsbackend.c b/gio/gregistrysettingsbackend.c
index de810dd..6cb995f 100644
--- a/gio/gregistrysettingsbackend.c
+++ b/gio/gregistrysettingsbackend.c
@@ -1532,8 +1532,6 @@ registry_watch_key (HKEY   hpath,
 static gboolean
 watch_handler (RegistryEvent *event)
 {
-  guint i;
-
   trace ("Watch handler: got event in %s, items %i.\n", event->prefix, event->items->len);
 
   /* GSettings requires us to NULL-terminate the array. */