minor #25352 [Console] Fix phpdoc in Table class (maidmaid)

This PR was merged into the 2.7 branch.

Discussion
----------

[Console] Fix phpdoc in Table class

| Q             | A
| ------------- | ---
| Branch?       | 2.7
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | /
| License       | MIT
| Doc PR        | /

Before:
![screenshot from 2017-12-06 20-37-01](https://user-images.githubusercontent.com/4578773/33657735-eaeda05c-dac5-11e7-97da-1af0a8dc0c74.png)

After:
![screenshot from 2017-12-06 20-37-43](https://user-images.githubusercontent.com/4578773/33657737-eda77fde-dac5-11e7-83ea-7fc9bf097f17.png)

Commits
-------

a7d4489 Fix php doc in Table class

src/Symfony/Component/Console/Helper/Table.php

@@ -182,13 +182,15 @@ public function setRow($column, array $row)
      * Renders table to output.
      *
      * Example:
+     * <code>
      * +---------------+-----------------------+------------------+
      * | ISBN          | Title                 | Author           |
      * +---------------+-----------------------+------------------+
      * | 99921-58-10-7 | Divine Comedy         | Dante Alighieri  |
      * | 9971-5-0210-0 | A Tale of Two Cities  | Charles Dickens  |
      * | 960-425-059-0 | The Lord of the Rings | J. R. R. Tolkien |
      * +---------------+-----------------------+------------------+
+     * </code>
      */
     public function render()
     {
@@ -220,7 +222,7 @@ public function render()
     /**
      * Renders horizontal header separator.
      *
-     * Example: +-----+-----------+-------+
+     * Example: <code>+-----+-----------+-------+</code>
      */
     private function renderRowSeparator()
     {
@@ -251,7 +253,7 @@ private function renderColumnSeparator()
     /**
      * Renders table row.
      *
-     * Example: | 9971-5-0210-0 | A Tale of Two Cities  | Charles Dickens  |
+     * Example: <code>| 9971-5-0210-0 | A Tale of Two Cities  | Charles Dickens  |</code>
      *
      * @param array  $row
      * @param string $cellFormat