Fix .gitignore for build/goma

Fix .gitignore for build/goma

This should result in it no longer being removed by bot_update.

BUG=590923, 585401
R=hinoka@google.com

Committed: https://chromium.googlesource.com/chromium/src/+/b27144c84f1075684f0ec76b4c687e565a536d8c

[Ryan Tseng, 2016-03-08 18:45:26]

hinoka@google.com changed reviewers:
+ hinoka@google.com

[Ryan Tseng, 2016-03-08 18:45:26]

lgtm

[commit-bot: I haz the power, 2016-03-08 18:48:45]

Description was changed from

==========
Fix .gitignore for build/goma

This should result in it no longer being removed by bot_update.

BUG=590923, 585401
==========

to

==========
Fix .gitignore for build/goma

This should result in it no longer being removed by bot_update.

BUG=590923, 585401
R=hinoka@google.com

Committed: https://crrev.com/b27144c84f1075684f0ec76b4c687e565a536d8c
Cr-Commit-Position: refs/heads/master@{#379871}
==========

[commit-bot: I haz the power, 2016-03-08 18:48:46]

Patchset 1 (id:??) landed as
https://crrev.com/b27144c84f1075684f0ec76b4c687e565a536d8c
Cr-Commit-Position: refs/heads/master@{#379871}

[Paweł Hajdan Jr., 2016-03-08 18:49:26]

Description was changed from

==========
Fix .gitignore for build/goma

This should result in it no longer being removed by bot_update.

BUG=590923, 585401
R=hinoka@google.com

Committed: https://crrev.com/b27144c84f1075684f0ec76b4c687e565a536d8c
Cr-Commit-Position: refs/heads/master@{#379871}
==========

to

==========
Fix .gitignore for build/goma

This should result in it no longer being removed by bot_update.

BUG=590923, 585401
R=hinoka@google.com

Committed:
https://chromium.googlesource.com/chromium/src/+/b27144c84f1075684f0ec76b4c68...
==========

[Paweł Hajdan Jr., 2016-03-08 18:49:27]

Committed patchset #1 (id:1) manually as
b27144c84f1075684f0ec76b4c687e565a536d8c (presubmit successful).