ll.vim: add change shell file head #!/usr/bin/env bash

Signed-off-by: lilei <[email protected]>

vim/bundle/ll.vim/plugin/ll.vim

@@ -1,7 +1,7 @@
 autocmd BufNewFile *.sh,*.py exec ":call LeeAutoSetFileHead()"
 function! LeeAutoSetFileHead()
     if &filetype == 'sh'
-        call setline(1, "\#!/bin/bash")
+        call setline(1, "\#!/usr/bin/env bash")
     elseif &filetype == 'python'
         call setline(1, "\#!/usr/bin/env python")
 	call append(1, "\# -*- coding: utf-8 -*-")