[polari] room: Fix a signed-unsigned comparison

[Florian Müllner <fmuellner src gnome org>]

commit 721d72c04c45a8415c86889b175831f99507f637
Author: Florian Müllner <fmuellner gnome org>
Date:   Thu Sep 17 14:59:34 2015 +0200

    room: Fix a signed-unsigned comparison

 src/lib/polari-room.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/lib/polari-room.c b/src/lib/polari-room.c
index efb861f..c9a9597 100644
--- a/src/lib/polari-room.c
+++ b/src/lib/polari-room.c
@@ -310,7 +310,7 @@ on_group_contacts_changed (TpChannel  *channel,
   TpChannelGroupChangeReason reason;
   const char *raw_message;
   char *message = NULL;
-  int i;
+  guint i;
 
   reason = tp_asv_get_uint32 (details, "change-reason", NULL);
   raw_message = tp_asv_get_string (details, "message");