git: update to 2.0.1

Everything works just bumping the version in Makefile and commit hash in
submodule. No code changes required.

Makefile

@@ -14,7 +14,7 @@ htmldir = $(docdir)
 pdfdir = $(docdir)
 mandir = $(prefix)/share/man
 SHA1_HEADER = <openssl/sha.h>
-GIT_VER = 2.0.0
+GIT_VER = 2.0.1
 GIT_URL = https://www.kernel.org/pub/software/scm/git/git-$(GIT_VER).tar.gz
 INSTALL = install
 COPYTREE = cp -r

git

@@ -1 +1 @@
-Subproject commit e156455ea49124c140a67623f22a393db62d5d98
+Subproject commit 341e7e8eda3dbeb6867f4f8f45b671201b807de5