[evolution-ews] Bug #705658 - Fix errors found by CLANG - Avoid return an undefined result

[Fabiano Fidêncio <ffidencio src gnome org>]

commit 542d2465b7e8cdbb8b925dc0d7da236be84a0075
Author: Fabiano Fidêncio <fidencio redhat com>
Date:   Thu Aug 8 10:39:59 2013 +0200

    Bug #705658 - Fix errors found by CLANG - Avoid return an undefined result

 src/addressbook/e-book-backend-ews.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/addressbook/e-book-backend-ews.c b/src/addressbook/e-book-backend-ews.c
index 032edb0..ecaebd4 100644
--- a/src/addressbook/e-book-backend-ews.c
+++ b/src/addressbook/e-book-backend-ews.c
@@ -2740,7 +2740,7 @@ ebews_traverse_dl (EBookBackendEws *ebews,
        if (g_strcmp0 (mb->mailbox_type, "PrivateDL") == 0) {
                GSList *members = NULL, *l;
                gboolean includes_last;
-               gboolean ret;
+               gboolean ret = FALSE;
 
                if (!mb->item_id || !mb->item_id->id)
                        return FALSE;