fixed crashing bug with 3-sided buildings
fixed crashing bug with 3-sided buildings

markraz/vtp,nakijun/vtp,seanisom/vtp,seanisom/vtp,nakijun/vtp,seanisom/vtp,markraz/vtp,nakijun/vtp,seanisom/vtp,nakijun/vtp,markraz/vtp,nakijun/vtp,markraz/vtp,markraz/vtp,seanisom/vtp