[evolution-data-server] Fix SEGV when imapx_parse_list() fails

[David Woodhouse <dwmw2 src gnome org>]

commit 2ff4f38585f1f33e8f6b75ef4e02ce8acb124825
Author: David Woodhouse <David Woodhouse intel com>
Date:   Tue Aug 24 01:18:32 2010 +0100

    Fix SEGV when imapx_parse_list() fails

 camel/providers/imapx/camel-imapx-server.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/camel/providers/imapx/camel-imapx-server.c b/camel/providers/imapx/camel-imapx-server.c
index c236515..55f5cf3 100644
--- a/camel/providers/imapx/camel-imapx-server.c
+++ b/camel/providers/imapx/camel-imapx-server.c
@@ -1544,7 +1544,12 @@ imapx_untagged(CamelIMAPXServer *imap, GError **error)
 		lsub = TRUE;
 	case IMAPX_LIST: {
 		struct _list_info *linfo = imapx_parse_list(imap->stream, error);
-		CamelIMAPXJob *job = imapx_match_active_job(imap, IMAPX_JOB_LIST, linfo->name);
+		CamelIMAPXJob *job;
+
+		if (!linfo)
+			break;
+
+		job = imapx_match_active_job(imap, IMAPX_JOB_LIST, linfo->name);
 
 		// TODO: we want to make sure the names match?