version up : git 2.7.4, including security fixes.

component/git/buildout.cfg

@@ -16,8 +16,8 @@ parts =
 
 [git]
 recipe = slapos.recipe.cmmi
-url = https://www.kernel.org/pub/software/scm/git/git-2.7.2.tar.xz
-md5sum = b14189d9d9ea32274e51c7a4240ffc15
+url = https://www.kernel.org/pub/software/scm/git/git-2.7.4.tar.xz
+md5sum = b0219fcb6d73104361f4fbdba3741d00
 configure-options =
   --with-curl=${curl:location}
   --with-openssl=${openssl:location}