travis: Upgrade brew packages

Installed packages might be outdated by the time the build
runs, so we should update them.

Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>

diff --git a/.travis.yml b/.travis.yml
index 480419dfdda95c5382a1e20f2e6e8dad354f16e8..70fee3b6adc2957dd829cf686ec62e5d2b0b09d7 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -88,7 +88,7 @@ env:
     - VIR_TEST_DEBUG=1
 
 before_install:
-  - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew update && brew install gnutls libgcrypt yajl gettext rpcgen; fi
+  - if [ "$TRAVIS_OS_NAME" == "osx" ]; then brew update && brew upgrade && brew install gnutls libgcrypt yajl gettext rpcgen; fi
 
 before_script:
   - ./autogen.sh