add_message: Fix crash for file recognized as not email.

This crash was introduced sometime recently, as previously things
worked fine when notmuch detected that a file is not an email.
We're definitely overdue for that test suite.

diff --git a/database.cc b/database.cc
index 97043e99b7230ab6ccf4d5f587333278522aeba3..4524016b37aecb1d0ffbacfbe72d4b5c8b03b94d 100644 (file)
--- a/database.cc
+++ b/database.cc
@@ -860,7 +860,7 @@ notmuch_database_add_message (notmuch_database_t *notmuch,
                              notmuch_message_t **message_ret)
 {
     notmuch_message_file_t *message_file;
-    notmuch_message_t *message;
+    notmuch_message_t *message = NULL;
     notmuch_status_t ret = NOTMUCH_STATUS_SUCCESS;
     notmuch_private_status_t private_status;