Avoid expansion of directory path in s:list_dir

Escape special characters `;*?` to prevent upward search and globing.

Author: pavoljuhas

autoload/dirvish.vim

@@ -53,7 +53,7 @@ endif
 
 function! s:list_dir(dir) abort
   " Escape for globpath().
-  let dir_esc = escape(substitute(a:dir,'\[','[[]','g'), ',{}^$\')
+  let dir_esc = escape(substitute(a:dir,'\[','[[]','g'), ',;*?{}^$\')
   let paths = s:globlist(dir_esc, '*')
   "Append dot-prefixed files. globpath() cannot do both in 1 pass.
   let paths = paths + s:globlist(dir_esc, '.[^.]*')