Mark patches 363 and 366 NA.
vim-patch:7.4.375

Problem:    Test 63 fails when run with GUI-only Vim.
Solution:   Add guibg attributes. (suggested by Mike Soyka)

https://code.google.com/p/vim/source/detail?r=v7-4-375
Merge pull request #1254 from splinterofchaos/na-patches

Mark patches 363 and 366 NA; vim-patch:7.4.375