updated for version 7.4.375
Problem:    Test 63 fails when run with GUI-only Vim.
Solution:   Add guibg attributes. (suggested by Mike Soyka)
Added tag v7-4-375 for changeset 5a5492d676ab
updated for version 7.4.376
Problem:    Popup menu flickers too much.
Solution:   Remove the forced redraw. (Hirohito Higashi)
Added tag v7-4-376 for changeset c3bb76e5b235