minor #12887 [Console] Fix code example for definitionList (urkob)

This PR was merged into the 4.4 branch.

Discussion
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[Console] Fix code example for definitionList

Hi

Some comma in the argument list of definitionList in SymfonyStyle was missing.

Commits
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2f2d84b Fix code example for definitionList.

Author: javiereguiluz

console/style.rst

@@ -162,8 +162,8 @@ Content Methods
         $io->definitionList(
             'This is a title',
             ['foo1' => 'bar1'],
-            ['foo2' => 'bar2']
-            ['foo3' => 'bar3']
+            ['foo2' => 'bar2'],
+            ['foo3' => 'bar3'],
             new TableSeparator(),
             'This is another title',
             ['foo4' => 'bar4']