Update syntastic

diff --git a/vim/bundle/syntastic b/vim/bundle/syntastic
index 4428f7e54f65800089b162a134a895fd3454ecda..b246e339afda238af1086e824d785361cffb51cb 160000 (submodule)
--- a/vim/bundle/syntastic
+++ b/vim/bundle/syntastic
@@ -1 +1 @@
-Subproject commit 4428f7e54f65800089b162a134a895fd3454ecda
+Subproject commit b246e339afda238af1086e824d785361cffb51cb