[evolution-ews] Ref the book_view while returning. Fixes a crash with evo 3.2.

[Akhil Laddha <lakhil src gnome org>]

commit e6a75d1f5b958ead9539a878be41083c03b03c70
Author: Chenthill Palanisamy <pchenthill suse com>
Date:   Mon Oct 3 17:23:07 2011 +0530

    Ref the book_view while returning. Fixes a crash with evo 3.2.

 src/addressbook/e-book-backend-ews-utils.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/addressbook/e-book-backend-ews-utils.c b/src/addressbook/e-book-backend-ews-utils.c
index aeb2a20..b3bb05f 100644
--- a/src/addressbook/e-book-backend-ews-utils.c
+++ b/src/addressbook/e-book-backend-ews-utils.c
@@ -88,6 +88,7 @@ get_book_view (EDataBookView *view, gpointer user_data)
 {
 	EDataBookView **ret = (EDataBookView **) user_data;
 	
+	e_data_book_view_ref (view);
 	*ret = view;
 
 	return FALSE;
@@ -95,7 +96,7 @@ get_book_view (EDataBookView *view, gpointer user_data)
 EDataBookView *
 e_book_backend_ews_utils_get_book_view (EBookBackend *backend)
 {
-	EDataBookView *ret;
+	EDataBookView *ret = NULL;
 
 	e_book_backend_foreach_view (backend, get_book_view, &ret);