Pull up following revision(s) (requested by reinoud in ticket #930):
	sys/fs/udf/udf_allocation.c: revision 1.34
Fix 32 bit issue in main file read-in function. On both 32 bit and 64 bit
hosts a missing cast would result in `garbage' after the 4Gbyte limit.
Pull up following revision(s) (requested by tsutsui in ticket #931):
	sys/dev/pci/virtio.c: revision 1.4
Make sure to check if the driver has a valid intr handler in virtio_detach().
Fixes a panic during shutdown on KVM under ubuntu 13.04 with virtio,
as reported in PR kern/48105 by Richard Hansen.
Should be pulled up to netbsd-6 branches.
Pull up following revision(s) (requested by hannken in ticket #933):
	sys/nfs/nfs_bio.c: revision 1.189
Function nfs_vinvalbuf() ignores errors from vinvalbuf() and therefore
delayed write errors may get lost.
Change nfs_vinvalbuf() to keep errors from vinvalbuf() for fsync() or =
close().
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Presented on tech-kern@
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Fix for PR kern/47980 (NFS over-quota not detected if utimes() called
before fsync()/close())
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tickets 930 931 933