pylibmount: NULL terminate kwlist in Context_init

Fixes a segfault observed with python3.6.

diff --git a/libmount/python/context.c b/libmount/python/context.c
index 6d82e14327a38c2a9d108cc2fd829102813140a6..982414d01d882b706fb40b59ef4faaebe9216d12 100644 (file)
--- a/libmount/python/context.c
+++ b/libmount/python/context.c
@@ -90,7 +90,7 @@ static int Context_init(ContextObjext *self, PyObject *args, PyObject *kwds)
                "source", "target", "fstype",
                "options", "mflags", "fstype_pattern",
                "options_pattern", "fs", "fstab",
-               "optsmode"
+               "optsmode", NULL
        };
 
        if (!PyArg_ParseTupleAndKeywords(