Apply fixes from StyleCI

Author: StyleCIBot

src/Illuminate/Collections/Collection.php

@@ -986,10 +986,10 @@ public function select($keys)
      */
     public function pop($count = 1)
     {
-        if ($count < 1) { 
+        if ($count < 1) {
             return new static;
         }
-        
+
         if ($count === 1) {
             return array_pop($this->items);
         }