fixed #2252: Fixing a bug that stdio.h is in c++ namespace.

extensions/spine/AnimationState.cpp

@@ -25,6 +25,7 @@
 
 #include <spine/AnimationState.h>
 #include <spine/extension.h>
+#include <stdio.h>
 
 namespace cocos2d { namespace extension {
 
@@ -68,8 +69,6 @@ void AnimationState_dispose (AnimationState* self) {
 	FREE(self);
 }
 
-#include <stdio.h>
-
 void AnimationState_addAnimation (AnimationState* self, Animation* animation, int/*bool*/loop, float delay) {
 	_Entry* existingEntry;
 	Animation* previousAnimation;