Updated vim to 7.2.402

  1554  7.2.395  in help CTRL=] on g?g? escapes the ?, causing it to fail
  1554  7.2.396  get E38 errors
  1722  7.2.397  redundant check for w_lines_valid
  4127  7.2.398  when moving windows the cursor ends up in the wrong line
  1784  7.2.399  (extra, after 7.2.388) cannot compile on MingW
12865  7.2.400  (after 7.2.387) Ruby problems with init and empty string
  1982  7.2.401  wildmode list doesn't highlight directory names with a space
  2649  7.2.402  error 705 when re-using funcref variable

(martti)