travis: bumped the nginx core version to 1.15.8.

thibaultcha · thibaultcha · commit 730f546f7378 · 2019-01-29T19:43:03.000-08:00
diff --git a/.travis.yml b/.travis.yml
@@ -40,7 +40,7 @@ env:
     - TEST_NGINX_SLEEP=0.006
   matrix:
     - NGINX_VERSION=1.11.2
-    - NGINX_VERSION=1.13.6
+    - NGINX_VERSION=1.15.8
 
 services:
  - mysql
