from Yitzhak

Add absent prototypes to some core routines.
Also add some port function() to function(void) in some win32 routines.
Also updates the Borland C Makefile for win32.

src/hack.c

@@ -12,6 +12,7 @@ STATIC_DCL int FDECL(still_chewing,(XCHAR_P,XCHAR_P));
 #ifdef SINKS
 STATIC_DCL void NDECL(dosinkfall);
 #endif
+STATIC_DCL void NDECL(findtravelpath);
 STATIC_DCL boolean FDECL(monstinroom, (struct permonst *,int));
 
 STATIC_DCL void FDECL(move_update, (BOOLEAN_P));