Bump libgit2 to 232a7e3

vmg · vmg · commit 8884181df551 · 2015-10-28T15:36:30.000+01:00
diff --git a/vendor/libgit2 b/vendor/libgit2
@@ -1 +1 @@
-Subproject commit d3416dfe29e59ba7de7bf49e060bf13c07960344
+Subproject commit 232a7e3205ede0e16ee9f88962ba5020167d95f4
