Travis: try to make mysql plugin build on OSX

diff --git a/.travis.yml b/.travis.yml
index 39cc222..efd29f4 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,6 +14,7 @@ matrix:
     - os: osx
       osx_image: xcode10.1
       compiler: clang
+      env: PATH="/usr/local/opt/mysql-client/bin:$PATH"
     - os: linux
       dist: xenial
       compiler: clang