fix php-cs-fixer on travis

Author: makasim

.php_cs.php

@@ -22,7 +22,7 @@
         'strict_param' => true,
         'native_function_invocation' => false,
     ))
-    ->setCacheFile(getenv('TRAVIS') ? getenv('HOME') . '/.php-cs-fixer' : __DIR__.'/var/.php_cs.cache')
+    ->setCacheFile(getenv('TRAVIS') ? getenv('HOME') . '/php-cs-fixer/.php-cs-fixer' : __DIR__.'/var/.php_cs.cache')
     ->setFinder(
         PhpCsFixer\Finder::create()
             ->name('/\.php$/')

.travis.yml

@@ -38,7 +38,7 @@ matrix:
 cache:
     directories:
         - $HOME/.composer/cache
-        - $HOME/.php-cs-fixer
+        - $HOME/php-cs-fixer
 
 before_install:
     - echo "extension = mongodb.so" >> $HOME/.phpenv/versions/$(phpenv version-name)/etc/php.ini