travis: bumped the nginx core version to 1.15.8.

thibaultcha · thibaultcha · commit 133aac6cca0c · 2019-01-29T19:41:40.000-08:00
diff --git a/.travis.yml b/.travis.yml
@@ -28,7 +28,7 @@ env:
     - NGX_BUILD_JOBS=$JOBS
   matrix:
     - NGINX_VERSION=1.11.2
-    - NGINX_VERSION=1.13.6
+    - NGINX_VERSION=1.15.8
 
 services:
  - memcache
