updating libgit2

tenderlove · tenderlove · commit cc87758755b0 · 2019-02-06T12:02:29.000-08:00
diff --git a/vendor/libgit2 b/vendor/libgit2
@@ -1 +1 @@
-Subproject commit 838a2f2918b6d9fad8768d2498575ff5d75c35f0
+Subproject commit 1a107fac0fc88a4d74b64ffc9ae2fd178ba631c0
