update parser.

diff --git a/src/prolog/parser b/src/prolog/parser
index b7a8133b75f0a7d5b7e29c1f4edf18cae4f8c56f..bd67de182d877db77ccd209be1b5a1d1ecf01855 160000 (submodule)
--- a/src/prolog/parser
+++ b/src/prolog/parser
@@ -1 +1 @@
-Subproject commit b7a8133b75f0a7d5b7e29c1f4edf18cae4f8c56f
+Subproject commit bd67de182d877db77ccd209be1b5a1d1ecf01855