minor symfony#17149 CS: Single line comments should use double slashes (//) and not hash (#) (keradus)

This PR was merged into the 2.3 branch.

Discussion
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CS: Single line comments should use double slashes (//) and not hash (#)

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | ?
| Fixed tickets | N/A
| License       | MIT
| Doc PR        | N/A

Just to be consistent ;)

Commits
-------

4f0f8a2 CS: Single line comments should use double slashes (//) and not hash (#).

Author: Tobion

src/Symfony/Component/HttpFoundation/Tests/RequestTest.php

@@ -215,7 +215,7 @@ public function testCreate()
         $this->assertEquals('/?foo', $request->getRequestUri());
         $this->assertEquals(array('foo' => ''), $request->query->all());
 
-        ## assume rewrite rule: (.*) --> app/app.php ; app/ is a symlink to a symfony web/ directory
+        // assume rewrite rule: (.*) --> app/app.php ; app/ is a symlink to a symfony web/ directory
         $request = Request::create('http://test.com/apparthotel-1234', 'GET', array(), array(), array(),
             array(
                 'DOCUMENT_ROOT' => '/var/www/www.test.com',

src/Symfony/Component/HttpKernel/Tests/HttpCache/HttpCacheTest.php

@@ -716,7 +716,7 @@ public function testFetchesFullResponseWhenCacheStaleAndNoValidatorsPresent()
         $this->assertTraceContains('store');
         $this->assertEquals('Hello World', $this->response->getContent());
 
-        # go in and play around with the cached metadata directly ...
+        // go in and play around with the cached metadata directly ...
         $values = $this->getMetaStorageValues();
         $this->assertCount(1, $values);
         $tmp = unserialize($values[0]);