[ci] Stick with proj 4.9.x on macOS
commitab6e23d89dcf674c10dffeed860007afd5dc8b36
authorOlly Betts <olly@survex.com>
Wed, 21 Mar 2018 20:47:53 +0000 (22 09:47 +1300)
committerOlly Betts <olly@survex.com>
Wed, 21 Mar 2018 20:47:53 +0000 (22 09:47 +1300)
treeda83b8dd65d0828729331a9b7aef941472288794
parent766e85821f82fd33e26766366d83d8d49d2de044
[ci] Stick with proj 4.9.x on macOS

proj 5.0.0 has a bug with breaks our testsuite.
.travis.yml