Don't assign an object to a temp variable thats only used once, just use it once

Author: Zach Drayer

TFHppleElement.m

@@ -76,8 +76,7 @@ - (NSArray *) children
 {
   NSMutableArray *children = [NSMutableArray array];
   for (NSDictionary *child in [node objectForKey:TFHppleNodeChildrenKey]) {
-    TFHppleElement *element = [TFHppleElement hppleElementWithNode:child];
-    [children addObject:element];
+    [children addObject:[TFHppleElement hppleElementWithNode:child]];
   }
   return children;
 }