git-stripspace breakage

Junio,
 the current git-stripspace leaves extra newlines at the end, causing ugly 
commit logs in "git log". I assume/suspect that it's the recent 
"incomplete line" handling (that I acked, bad me), but I didn't actually 
test.

Trivially tested thus:

	[torvalds@g5 git]$ git-stripspace <<EOF
	> a
	> 
	> EOF
	a
	
	[torvalds@g5 git]$ 

note the extra unnecessary newline..

		Linus