travis: add liblzma (xz) for osx

diff --git a/.travis.yml b/.travis.yml
index 9ac708e3d09005e7d46a9a6695722dcbcd7c1dde..27e76c001dcb0331ad521186d9275b7eb648d0ef 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -243,6 +243,7 @@ before_install:
         packages="$packages pcre"
         packages="$packages hiredis"
         packages="$packages jq"
+        packages="$packages xz"
         for package in $packages; do
             if brew ls $package --versions > /dev/null; then
                 brew unlink $package