The latest change to diff-tree -z output adds an extra line
termination after non diff-raw material (the header and the
commit message). To compensate for this change, stop adding the
output termination of our own. "diff-tree -v -z" piped to
"diff-helper -z" would give different result from "diff-tree -v"
piped to "diff-helper" without this change.
Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>