git: update to 1.8.2.2

No changes required, just bump the submodule and Makefile version.

Signed-off-by: John Keeping <john@keeping.me.uk>

Makefile

@@ -14,7 +14,7 @@ htmldir = $(docdir)
 pdfdir = $(docdir)
 mandir = $(prefix)/share/man
 SHA1_HEADER = <openssl/sha.h>
-GIT_VER = 1.8.2.1
+GIT_VER = 1.8.2.2
 GIT_URL = https://git-core.googlecode.com/files/git-$(GIT_VER).tar.gz
 INSTALL = install
 MAN5_TXT = $(wildcard *.5.txt)

git

@@ -1 +1 @@
-Subproject commit 5bda18c186e455f8e65f976d3bf333ab1f4b5b53
+Subproject commit 4a9a4f0ec1daaccb88cdf507375ca64696dfe167