Update to 0.10.6. Fix build on DragonFly.

Changes since 0.10.5:

Alan Coopersmith (12):
      Fill in byte swapping routines for big-endian Solaris machines
      Don't open/gzopen pci.ids if we're not going to read it
      Add AC_SYS_LARGEFILE to configure.ac
      Solaris: Use bus-range properties to limit busses scanned on each node
      Add README with pointers to mailing list, bugzilla & git repos
      Fix const mismatch compiler warnings in Solaris backend
      Sun bug 6811468: pci_device_solx_devfs_probe accesses freed memory
      Move included m4 to a subdir so we can more easily update from upstream
      Fix $CWARNFLAGS addition
      Fix unused variable warnings in Solaris code
      Resync COPYING file with code copyright notices
      Version bump: 0.10.6

Darren Smith (1):
      Be more paranoid about reading bridge info (#20786)

Mark Kettenis (1):
      Make libpciaccess on OpenBSD domain-aware.

Matthieu Herrb (3):
      Fix a logic error in pci_device_openbsd_write().
      Sync with OpenBSD code.
      Fix a logic error in pci_device_netbsd_write()

Owain Ainsworth (1):
      openbsd_pci.c: use the correct size when mapping the legacy vga rom.

Paulo Cesar Pereira de Andrade (1):
      Janitor: Correct make distcheck and compiler warnings.

Robert Noland (1):
      FreeBSD: Incorporate several fixes that have accumulated.

edward shu (1):
      Sun bug 6785726: libpciaccess needs to use the correct BAR index on solaris

Changes since 0.10.4:

Julien Cristau (2):
      Make --without-zlib work
      Bump to 0.10.5

Robert Noland (1):
      Fix FreeBSD systems which support pci domains.

(hasso)