Allow multiple whitespace in type hints in AppFramework

Type hints such as `@param bool     $doSomething` will now correctly get
parsed, allowing for alignment of docblock parameters if the app developer so
wishes.

lib/private/appframework/utility/controllermethodreflector.php

@@ -59,7 +59,7 @@ class ControllerMethodReflector implements IControllerMethodReflector{
 		$this->annotations = $matches[1];
 
 		// extract type parameter information
-		preg_match_all('/@param (?P<type>\w+) \$(?P<var>\w+)/', $docs, $matches);
+		preg_match_all('/@param\h+(?P<type>\w+)\h+\$(?P<var>\w+)/', $docs, $matches);
 		// this is just a fix for PHP 5.3 (array_combine raises warning if called with
 		// two empty arrays
 		if($matches['var'] === array() && $matches['type'] === array()) {