kernel: remove trailing white space from etherigbe changes
 [rsc] --rw-rw-r-- M 1575046 jmk sys 44814 Feb 22 08:46 sys/src/9/pc/etherigbe.c
	[diffs elided - too long]
	[diff -c /n/sourcesdump/2006/0222/plan9/sys/src/9/pc/etherigbe.c /n/sourcesdump/2006/0223/plan9/sys/src/9/pc/etherigbe.c]