get_timestamp: Ensure that return value is 0 in case of exception.

Just to be on the safe side of things.

diff --git a/lib/database.cc b/lib/database.cc
index bcea88b029e7a097a7887c7570e5715e7a78fc76..169dc5e20df424c67b9db2a092597f299bbc1959 100644 (file)
--- a/lib/database.cc
+++ b/lib/database.cc
@@ -648,6 +648,7 @@ notmuch_database_get_timestamp (notmuch_database_t *notmuch, const char *key)
 
        ret =  Xapian::sortable_unserialise (doc.get_value (NOTMUCH_VALUE_TIMESTAMP));
     } catch (Xapian::Error &error) {
+       ret = 0;
        goto DONE;
     }