travis-ci: bumped OpenSSL versions to 1.0.2t, 1.1.0l, and 1.1.1d.

Author: thibaultcha

.travis.yml

@@ -36,9 +36,9 @@ env:
     - NGX_BUILD_JOBS=$JOBS
     - TEST_NGINX_SLEEP=0.006
   matrix:
-    - NGINX_VERSION=1.17.1 OPENSSL_VER=1.0.2s
-    - NGINX_VERSION=1.17.1 OPENSSL_VER=1.1.0k
-    - NGINX_VERSION=1.17.1 OPENSSL_VER=1.1.1c
+    - NGINX_VERSION=1.17.1 OPENSSL_VER=1.0.2t
+    - NGINX_VERSION=1.17.1 OPENSSL_VER=1.1.0l
+    - NGINX_VERSION=1.17.1 OPENSSL_VER=1.1.1d
 
 services:
  - memcache