adjust boundingbox (only for SINF)

use else if

MshViewer/Header/Object.h

@@ -39,7 +39,6 @@ struct Modl {
 	Mtyp type					= null;
 	std::int32_t renderFlags	= -1;
 	glm::mat4 m4x4Translation	= glm::mat4(1.0f);
-	Bbox boundingBox;
 	std::vector<Segment*> segmLst;
 };
 
@@ -55,6 +54,7 @@ private:
 	std::vector<Modl*>* vModls;
 	std::fstream fsMesh;
 	std::vector<std::string> vTextures;
+	Bbox boundingBox;
 
 private:
 	void loadChunks(std::list<ChunkHeader*> &destination, std::streampos start, const std::uint32_t end);