Update MixCloudBridge.php

Fix whitespace at start of line

bridges/MixCloudBridge.php

@@ -25,7 +25,7 @@ class MixCloudBridge extends BridgeAbstract {
 
 	public function collectData(){
 		ini_set('user_agent', 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:53.0) Gecko/20100101 Firefox/53.0');
-		
+
 		$html = getSimpleHTMLDOM(self::URI . '/' . $this->getInput('u'))
 			or returnServerError('Could not request MixCloud.');