vendor: update libgit2 to 7f6c1ce97

carlosmn · carlosmn · commit a3e03c996a7d · 2018-05-29T21:11:51.000+02:00
diff --git a/vendor/libgit2 b/vendor/libgit2
@@ -1 +1 @@
-Subproject commit 6311e886d8b5377c6037cd9937ccf66a71f3361d
+Subproject commit 7f6c1ce9760c6c397e94d4eba506faeb95452702
