Fix inadvertent breakage from b932705 (git-p4: stream from perforce to
speed up clones, 2009-07-30) in the code that strips the trailing '\n'
from p4 print on a symlink. (In practice, contents is of the form
['target\n', ''].)
Signed-off-by: Evan Powers <evan.powers@gmail.com> Acked-by: Pete Wyckoff <pw@padd.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>