Log Message:
Update xmame to 0.67.2.

Changes since 0.66.2 include:
- Almost everything from MAME 0.67.
- Added support for konamigx to info.c.  (David Haywood)
- Building the neomame target now works.  (Steve Behling)
- Using XFree86 3.3.6 fbdev in 32bpp now works.  (Steve Behling)
- USB patches to take recent FreeBSD changes into account.  (Matthew N. Dodd)