Convert expanded tabs back to to tab characters

Author: Pascal Lalancette

autoload/ctrlp/buffertag.vim

@@ -157,11 +157,11 @@ fu! s:esctagscmd(bin, args, ...)
 		let [ssl, &ssl] = [&ssl, 0]
 	en
 	let fname = a:0 ? shellescape(a:1) : ''
-  if  (has('win32') || has('win64'))
-    let cmd = a:bin.' '.a:args.' '.fname
-  else
-    let cmd = shellescape(a:bin).' '.a:args.' '.fname
-  endif
+	if  (has('win32') || has('win64'))
+		let cmd = a:bin.' '.a:args.' '.fname
+	else
+		let cmd = shellescape(a:bin).' '.a:args.' '.fname
+	endif
 	if &sh =~ 'cmd\.exe'
 		let cmd = substitute(cmd, '[&()@^<>|]', '^\0', 'g')
 	en