diff --git a/c_src b/c_src
index b557776..a450afe 160000
--- a/c_src
+++ b/c_src
@@ -1 +1 @@
-Subproject commit b557776962a3dcc985d83bd4ed94e1e2e50d0fa2
+Subproject commit a450afed44162f898ba5014e21efbad539fe3f0e