minor #14121 CS: Pre incrementation/decrementation should be used if possible (gharlan)

This PR was merged into the 2.3 branch.

Discussion
----------

CS: Pre incrementation/decrementation should be used if possible

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

Fixes provided by new fixer: https://github.com/FriendsOfPHP/PHP-CS-Fixer/pull/1113

If this pr is merged I would change the level of the fixer to `symfony`.

Commits
-------

c5123d6 CS: Pre incrementation/decrementation should be used if possible

ClassMapGenerator.php

@@ -95,7 +95,7 @@ class ClassMapGenerator
         $classes = array();
 
         $namespace = '';
-        for ($i = 0, $max = count($tokens); $i < $max; $i++) {
+        for ($i = 0, $max = count($tokens); $i < $max; ++$i) {
             $token = $tokens[$i];
 
             if (is_string($token)) {

Tests/Fixtures/classmap/multipleNs.php

@@ -1,4 +1,5 @@
 <?php
+
 namespace {
     class A
     {

Tests/Fixtures/php5.4/traits.php

@@ -1,4 +1,5 @@
 <?php
+
 namespace {
     trait TFoo
     {

composer.json

@@ -3,7 +3,7 @@
     "type": "library",
     "description": "Symfony ClassLoader Component",
     "keywords": [],
-    "homepage": "http://symfony.com",
+    "homepage": "https://symfony.com",
     "license": "MIT",
     "authors": [
         {
@@ -12,7 +12,7 @@
         },
         {
             "name": "Symfony Community",
-            "homepage": "http://symfony.com/contributors"
+            "homepage": "https://symfony.com/contributors"
         }
     ],
     "minimum-stability": "dev",