Strip the unnneeded spaces, mostly at the end of lines.

MFC after:	3 days
Record the correct error in the trace.

Sponsored by:	The FreeBSD Foundation
MFC after:	3 days
Do not call the VOP_LOOKUP() for the doomed directory vnode.  The
vnode could be reclaimed while lock upgrade was performed.

Sponsored by:	The FreeBSD Foundation
Reported and tested by:	pho
Diagnosed and reviewed by:	rmacklem
MFC after:	1 week