Fix Portage for users who picked up portage-2.2.12-r4.

BUG=chromium:428112
TEST=Run it, confirm portage is emerged

Change-Id: Idb5d2b10865f3922deb34c4e30b010b6115fb7f7
Reviewed-on: https://chromium-review.googlesource.com/226042
Reviewed-by: Daniel Erat <derat@chromium.org>
Tested-by: David James <davidjames@chromium.org>
1 file changed