-Allow overriding of OPTIONS_FILE in makdefs.c
-Change obsolete WIN32_GRAPHICS to the correct MSWIN_GRAPHICS
-Remove the 8514 and VESA screen control stuff since it never existed.
in util/lev_main.c:write_maze(), line which reads
"Write(fd, &(pt->ngold), sizeof(pt->naltar));"
should read
"Write(fd, &(pt->ngold), sizeof(pt->ngold));"
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.
This patch allows the digits 0-9 to be used to indicate line numbers
in the MAP...ENDMAP arrays of level files. This makes it a wee
bit easier to place features. The digits get stripped out before
the map is interpreted.
