[evolution-data-server/email-factory] Fix a crash.

[Srinivasa Ragavan <sragavan src gnome org>]

commit 160b88ec9834ca08a49c2b7acf5821ed1d642d69
Author: Srinivasa Ragavan <sragavan gnome org>
Date:   Tue May 17 22:56:55 2011 +0530

    Fix a crash.

 mail/daemon/e-mail-data-store.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/mail/daemon/e-mail-data-store.c b/mail/daemon/e-mail-data-store.c
index 6d7bd1c..0645491 100644
--- a/mail/daemon/e-mail-data-store.c
+++ b/mail/daemon/e-mail-data-store.c
@@ -772,7 +772,7 @@ e_mail_data_store_new (CamelStore *store, const char *url)
 
   	estore = g_object_new (EMAIL_TYPE_DATA_STORE, NULL);
 	priv = DATA_STORE_PRIVATE(estore);
-	priv->store = store;
+	priv->store = g_object_ref(store);
 	priv->url = g_strdup (url);
 
 	return estore;