Log Message:
Update to 0.13.4:

Alan Coopersmith (1):
      libpciaccess 0.13.4

Chih-Wei Huang (1):
      Add missing guards around config.h inclusion

Eero Tamminen (1):
      Check for __linux__ instead of linux during compilation

Emil Velikov (2):
      Include the POSIX fcntl.h instead of sys/fcntl.h
      Include config.h before any other headers.

Tobias Nygren (1):
      Bug 89151: Fix build on NetBSD/alpha and NetBSD/sparc64.