merge xbitmaps 1.1.3 and xorg-cf-files 1.0.8.

also, fix riscv64 on netbsd to define _XSERVER64.

initial import of xbitmaps-1.1.3

initial import of xbitmaps-1.1.2

initial import of xbitmaps-1.1.1

merge xbitmap 1.1.0

initial import of xbitmaps-1.1.0

initial import of xbitmaps-1.0.1