git: bump to 2.1.2
-add patch
-not tested except for 'git --help'
-closes ticket 36; https://sourceforge.net/p/alt-f/packagerequest/36/


git-svn-id: http://alt-f.googlecode.com/svn/trunk@3088 c0640c08-38d3-59ba-912b-807e019a37ab