Also test libmemcached 1.0.15

mkoppanen · mkoppanen · commit a88355b21a11 · 2013-10-19T17:43:24.000+08:00
diff --git a/.travis.yml b/.travis.yml
@@ -6,6 +6,7 @@ php:
 env:
     - LIBMEMCACHED_VERSION=1.0.17
     - LIBMEMCACHED_VERSION=1.0.16
+    - LIBMEMCACHED_VERSION=1.0.15
     - LIBMEMCACHED_VERSION=1.0.14
     - LIBMEMCACHED_VERSION=1.0.8
     - LIBMEMCACHED_VERSION=1.0.2
