git: update to v2.2.1

[ps-cgit] / git

diff --git a/git b/git
index 32f56600bb6ac6fc57183e79d2c1515dfa56672f..9b7cbb315923e61bb0c4297c701089f30e116750 160000 (submodule)
--- a/git
+++ b/git
@@ -1 +1 @@
-Subproject commit 32f56600bb6ac6fc57183e79d2c1515dfa56672f
+Subproject commit 9b7cbb315923e61bb0c4297c701089f30e116750