Add 'hin' to Vim syntax highlighter.

Author: dkearns

vimperator/contrib/vim/syntax/vimperator.vim

@@ -51,9 +51,9 @@ syn region vimperatorSet matchgroup=vimperatorCommand start="\%(^\s*:\=\)\@<=\<\
     \ end="$" keepend oneline contains=vimperatorOption,vimperatorString
 
 syn keyword vimperatorOption act activate cd cdpath complete cpt defsearch ds editor eht ei enc encoding eventignore
-    \ extendedhinttags fenc fileencoding fh followhints go guioptions helpfile hf hi hintinputs hintmatching hinttags hinttimeout
-    \ history hm ht hto laststatus ls maxitems messages msgs newtab nextpattern pa pageinfo popups pps previouspattern rtp
-    \ runtimepath si sanitizeitems sts sanititizetimespan scr scroll sh shcf shell shellcmdflag showstatuslinks showtabline ssli
+    \ extendedhinttags fenc fileencoding fh followhints go guioptions helpfile hf hi hin hintinputs hintmatching hinttags
+    \ hinttimeout history hm ht hto laststatus ls maxitems messages msgs newtab nextpattern pa pageinfo popups pps previouspattern
+    \ rtp runtimepath si sanitizeitems sts sanitizetimespan scr scroll sh shcf shell shellcmdflag showstatuslinks showtabline ssli
     \ stal suggestengines titlestring urlseparator vbs verbose wic wig wildcase wildignore wildmode wildoptions wim wop
     \ wordseparators wsp
     \ contained nextgroup=vimperatorSetMod