Update Objective-Git to master

tiennou · tiennou · commit ba0ba3bd44f0 · 2018-06-19T21:45:50.000+02:00
diff --git a/External/objective-git b/External/objective-git
@@ -1 +1 @@
-Subproject commit 17112f5321d9f781f43bcc8d50662c4189fa0089
+Subproject commit 13fd09486aac97e0b53f96c9e930c318e698db99
