Fix bug with "set foldlevel-=search"

For "set foldlevel-=search" sneaking did not properly skip to the end of
closed folds. Now it does. See pull request justinmk#152.

Author: milsen

plugin/sneak.vim

@@ -160,7 +160,7 @@ func! sneak#to(op, input, inputlen, count, repeatmotion, reverse, inclusive, str
     let l:winview = winsaveview()
     if !l:search_foldopen && foldclosed('.') > -1
       call cursor(a:reverse ? foldclosed('.') : foldclosedend('.'),
-            \ a:reverse ? 1 : '$')
+            \ a:reverse ? 1 : col('$'))
     endif
     let matchpos = s.dosearch()
     if 0 == max(matchpos)           " if no search results found