Tweak .travis.yml

Author: Eugene Leonovich

.travis.yml

@@ -50,7 +50,7 @@ script:
 after_script:
     # code-coverage for scrutinizer-ci
     - >
-        bash -c 'if [[ 5.6 == $TRAVIS_PHP_VERSION ]]; then
+        bash -c 'if [[ -f coverage.clover ]]; then
             wget https://scrutinizer-ci.com/ocular.phar;
             php ocular.phar code-coverage:upload --format=php-clover coverage.clover;
         fi;'