Bump vendored libgit2 to 9275d84c583

carlosmn · carlosmn · commit 973938cbb553 · 2018-08-08T11:45:48.000+02:00
diff --git a/vendor/libgit2 b/vendor/libgit2
@@ -1 +1 @@
-Subproject commit 7f6c1ce9760c6c397e94d4eba506faeb95452702
+Subproject commit 9275d84c583a030e759edbfafacf99c42a83c543
