git: v↑ (2.7.2)

2.7.0 -> 2.7.2 is a bugfix release with several fixes:

    https://raw.githubusercontent.com/git/git/master/Documentation/RelNotes/2.7.1.txt
    https://raw.githubusercontent.com/git/git/master/Documentation/RelNotes/2.7.2.txt

component/git/buildout.cfg

@@ -16,8 +16,8 @@ parts =
 
 [git]
 recipe = slapos.recipe.cmmi
-url = https://www.kernel.org/pub/software/scm/git/git-2.7.0.tar.xz
-md5sum = 0214e04f7041f835c5c38f2b78eccced
+url = https://www.kernel.org/pub/software/scm/git/git-2.7.2.tar.xz
+md5sum = b14189d9d9ea32274e51c7a4240ffc15
 configure-options =
   --with-curl=${curl:location}
   --with-openssl=${openssl:location}