[FFmpeg-cvslog] Unbreak travis on macos

[Luca Barbato]

ffmpeg | branch: master | Luca Barbato <lu_zero at gentoo.org> | Tue Feb 12 13:53:04 2019 +0100| [899ee03088d55152a48830df0899887f055da1de] | committer: Luca Barbato

Unbreak travis on macos

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=899ee03088d55152a48830df0899887f055da1de
---

 .travis.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.travis.yml b/.travis.yml
index 5aa2802636..3cfcb40c3a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -19,7 +19,7 @@ cache:
   directories:
     - libav-samples
 before_install:
-  - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew update --all; fi
+  - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew update; fi
 install:
   - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew install nasm; fi
 script: