Merge pull request 55 from bling

Closes #55.

autoload/sy/repo.vim

@@ -8,15 +8,6 @@ let b:autoloaded_sy_repo = 1
 " Init: values {{{1
 if !empty(get(g:, 'signify_difftool'))
   let s:difftool = g:signify_difftool
-else
-  if has('win32')
-    if $VIMRUNTIME =~ ' '
-      let s:difftool = (&sh =~ '\<cmd')
-            \ ? ('"'. $VIMRUNTIME .'\diff"')
-            \ : (substitute($VIMRUNTIME, ' ', '" ', '') .'\diff"')
-    else
-      let s:difftool = $VIMRUNTIME .'\diff'
-    endif
 else
   if !executable('diff')
     echomsg 'signify: No diff tool found!'
@@ -24,7 +15,6 @@ else
   endif
   let s:difftool = 'diff'
 endif
-endif
 
 let s:diffoptions = get(g:, 'signify_diffoptions', {})