Added missing function prototypes, fixed type mismatch in sendFile() prototype.
Added missing function prototypes, fixed type mismatch in sendFile() prototype.

TildenG/FH_Tbot,Rodinga/FH_Tbot,TildenG/FH_Tbot,ideaHex/FH_Tbot,Rodinga/FH_Tbot,Rodinga/FH_Tbot,ideaHex/FH_Tbot,ideaHex/FH_Tbot,TildenG/FH_Tbot,TildenG/FH_Tbot,Rodinga/FH_Tbot,ideaHex/FH_Tbot