.travis.yml: force a brew update for MacOS builds

It looks like the Travis image package databases are out of date
causing the build to error with:

  Error: Your Homebrew is outdated. Please run `brew update`.
  Error: Kernel.exit

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
This commit is contained in:
Alex Bennée 2019-06-19 07:57:49 +01:00
parent c3c1874a99
commit 71451cff5e

View File

@ -43,6 +43,7 @@ addons:
- glib
- pixman
- gnu-sed
update: true
# The channel name "irc.oftc.net#qemu" is encrypted against qemu/qemu