diff --git a/c b/c
index e6a8dac48796df88fdd84a2141b572068cc5960e..51c6d6052fd09aa3636f4ea646a20ac0a52a112d 160000
--- a/c
+++ b/c
@@ -1 +1 @@
-Subproject commit e6a8dac48796df88fdd84a2141b572068cc5960e
+Subproject commit 51c6d6052fd09aa3636f4ea646a20ac0a52a112d