added forward decl of vtDLGFile
added forward decl of vtDLGFile

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