Merge pull request #552 from midchildan/fix-git-version

Fix git version detection

plug.vim

@@ -312,7 +312,7 @@ endfunction
 
 function! s:git_version_requirement(...)
   if !exists('s:git_version')
-    let s:git_version = map(split(split(s:system('git --version'))[-1], '\.'), 'str2nr(v:val)')
+    let s:git_version = map(split(split(s:system('git --version'))[2], '\.'), 'str2nr(v:val)')
   endif
   return s:version_requirement(s:git_version, a:000)
 endfunction