On Cygwin + ActivateState Perl, Makefile generated with
MakeMaker is not usable because of line-endings and
back-slashes.
This teaches perl/Makefile to write a handcrafted equivalent
perl.mak file with 'make NO_PERL_MAKEMAKER=NoThanks'.
Signed-off-by: Alex Riesen <raa.lkml@gmail.com>
Signed-off-by: Junio C Hamano <junkio@cox.net>