Bump libgit2 to 460ae11

mastahyeti · mastahyeti · commit 0e8c1c8c257b · 2016-02-11T14:26:07.000-07:00
diff --git a/vendor/libgit2 b/vendor/libgit2
@@ -1 +1 @@
-Subproject commit 488e2b85053a45dd2ce6a37b7d5cf70870be5ed8
+Subproject commit 460ae11f0a8178c5d5abc55574dc3e0e312a47ea
