travis: update scan-build job to xenial

Closes https://github.com/curl/curl/pull/3999

diff --git a/.travis.yml b/.travis.yml
index 9455b4e56903be1c1638c82fa4858cbf5e279c46..f2e3030c2b6e8778112c11d2da4597aecd3e3bf6 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -332,7 +332,7 @@ matrix:
                       - libpsl-dev
         - os: linux
           compiler: clang
-          dist: trusty
+          dist: xenial
           env:
               - T=scan-build
               - OVERRIDE_CC="CC=clang-7" OVERRIDE_CXX="CXX=clang++-7"
@@ -344,6 +344,7 @@ matrix:
                   packages:
                       - *common_packages
                       - clang-7
+                      - libpsl-dev
         - os: linux
           compiler: clang
           dist: xenial