Update .travis.yml

Author: shabbyrobe

.travis.yml

@@ -10,20 +10,20 @@ before_install:
 # hhvm-3.6,: command not found
 matrix:
   include:
-    - { dist: trusty, php: [ "hhvm-3.3" ] }
-    - { dist: trusty, php: [ "hhvm-3.6" ] }
-    - { dist: trusty, php: [ "hhvm-3.6" ] }
-    - { dist: trusty, php: [ "hhvm-3.12" ] }
-    - { dist: trusty, php: [ "hhvm-3.15" ] }
-    - { dist: trusty, php: [ "hhvm-3.18" ] }
-    - { dist: trusty, php: [ "hhvm-nightly" ] }
-    - { dist: trusty, php: [ "nightly" ] }
-    - { dist: trusty, php: [ "7.1" ] }
-    - { dist: trusty, php: [ "7.0" ] }
-    - { dist: trusty, php: [ "5.6" ] }
-    - { dist: trusty, php: [ "5.5" ] }
-    - { dist: trusty, php: [ "5.4" ] }
-    - { dist: precise, php: [ "5.3" ] }
+    - { dist: trusty , php: "hhvm-3.3" }
+    - { dist: trusty , php: "hhvm-3.6" }
+    - { dist: trusty , php: "hhvm-3.6" }
+    - { dist: trusty , php: "hhvm-3.12" }
+    - { dist: trusty , php: "hhvm-3.15" }
+    - { dist: trusty , php: "hhvm-3.18" }
+    - { dist: trusty , php: "hhvm-nightly" }
+    - { dist: trusty , php: "nightly" }
+    - { dist: trusty , php: "7.1" }
+    - { dist: trusty , php: "7.0" }
+    - { dist: trusty , php: "5.6" }
+    - { dist: trusty , php: "5.5" }
+    - { dist: trusty , php: "5.4" }
+    - { dist: precise, php: "5.3" }
 
   allow_failures:
     - php: "nightly"