卸载掉自带的：
yum remove git
安装：
yum -y install curl-devel expat-devel gettext-devel openssl-devel zlib-devel gcc perl-ExtUtils-MakeMaker
接着
https://github.com/git/git/blob/master/INSTALL
问题及解决方式：
[root@ game_root_api]# git push -u origin master
fatal: unable to access 'https://github.com/xinweihao/xwhgame_rout.git/': Peer reports incompatible or unsupported protocol version.
[root@ game_root_api]# yum update -y nss curl libcurl