travis-ci: bumped OpenSSL to 1.0.2s, 1.1.0k, and added 1.1.1c.

Author: thibaultcha

.travis.yml

@@ -36,10 +36,9 @@ env:
     - NGX_BUILD_JOBS=$JOBS
     - TEST_NGINX_SLEEP=0.006
   matrix:
-    - NGINX_VERSION=1.15.8 OPENSSL_VER=1.0.2q OPENSSL_OPT=""
-    - NGINX_VERSION=1.15.8 OPENSSL_VER=1.1.0j OPENSSL_OPT=""
-    # TODO: when adding an OpenSSL version >= 1.1.1, please add "enable-tls1_3"
-    # to $OPENSSL_OPT.
+    - NGINX_VERSION=1.15.8 OPENSSL_VER=1.0.2s OPENSSL_OPT=""
+    - NGINX_VERSION=1.15.8 OPENSSL_VER=1.1.0k OPENSSL_OPT=""
+    - NGINX_VERSION=1.15.8 OPENSSL_VER=1.1.1c OPENSSL_OPT=""
 
 services:
  - memcache