builtins should be always 2 because it is specified start index for the following extensions.

Fixes #294

Author: mattn

plugin/ctrlp.vim

@@ -12,7 +12,7 @@ let g:loaded_ctrlp = 1
 
 let [g:ctrlp_lines, g:ctrlp_allfiles, g:ctrlp_alltags, g:ctrlp_alldirs,
 	\ g:ctrlp_allmixes, g:ctrlp_buftags, g:ctrlp_ext_vars, g:ctrlp_builtins]
-	\ = [[], [], [], [], {}, {}, [], 0]
+	\ = [[], [], [], [], {}, {}, [], 2]
 
 if !exists('g:ctrlp_map') | let g:ctrlp_map = '<c-p>' | en
 if !exists('g:ctrlp_cmd') | let g:ctrlp_cmd = 'CtrlP' | en