bug #14283 [2.7][Console] Count the $messages array instead of $message (barryvdh)

This PR was squashed before being merged into the 2.7 branch (closes #14283).

Discussion
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[2.7][Console] Count the $messages array instead of $message

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

I think you mean $messages instead of $message. With this patch, the number of messages is correctly counted.

Commits
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95aa167 [2.7][Console] Count the  array instead of

src/Symfony/Component/Console/Style/SymfonyStyle.php

@@ -73,7 +73,7 @@ class SymfonyStyle extends OutputStyle
             $message = OutputFormatter::escape($message);
             $lines = array_merge($lines, explode("\n", wordwrap($message, $this->lineLength - Helper::strlen($prefix))));
 
-            if (count($messages) > 1 && $key < count($message)) {
+            if (count($messages) > 1 && $key < count($messages) - 1) {
                 $lines[] = '';
             }
         }