title: cocos2dx getChildByTag function ,declaring the tag
body: <p>I am trying to update score in an app using the method from this website</p>
  
  <p><a href="http://fabiosistemas.com.br/show-strings-using-numbers-in-cocos2d-x/" rel="nofollow">http://fabiosistemas.com.br/show-strings-using-numbers-in-cocos2d-x/</a></p>
  
  <p>CCLabelBMFont *label2 = CCLabelBMFont::create( “Score: 0″, “Arial.fnt” );
  addChild(label2, 100, kTagSprite2);</p>
  
  <p>CCLabelBMFont* label2 = (CCLabelBMFont*) getChildByTag(kTagSprite2);
  label2->setString(stringPontos);</p>
  
  <p>compiler gives error: of the kTagSprite2 not declared in this scope
   how do i declare the KTagSprite2 , as in what type?</p>