minor #1024 Add imports for type hints (JeroenDeDauw)

This PR was merged into the 2.0.x-dev branch.

Discussion
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Add imports for type hints

Commits
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926bbc03 Add imports for type hints

src/Silex/Api/ControllerProviderInterface.php

@@ -12,6 +12,7 @@
 namespace Silex\Api;
 
 use Silex\Application;
+use Silex\ControllerCollection;
 
 /**
  * Interface for controller providers.

src/Silex/Provider/Routing/LazyRequestMatcher.php

@@ -13,6 +13,7 @@ namespace Silex\Provider\Routing;
 
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\Routing\Matcher\RequestMatcherInterface;
+use Symfony\Component\Routing\Matcher\UrlMatcherInterface;
 
 /**
  * Implements a lazy UrlMatcher.