clean

diff --git a/plug b/plug
index c9d548067f33207ba9b92eda3b9699498752ba65..319c536cb12a5aa6314aca142dc1f31d05d8f091 160000 (submodule)
--- a/plug
+++ b/plug
@@ -1 +1 @@
-Subproject commit c9d548067f33207ba9b92eda3b9699498752ba65
+Subproject commit 319c536cb12a5aa6314aca142dc1f31d05d8f091