devel/hare: Move man pages to share/man

While here, fix build with poudriere.

HAREC .cache/hare.ssa
QBE .cache/hare.s
AS .cache/hare.o
LD .bin/hare
HARE .bin/harec2
Error creating /nonexistent/.cache/hare: Permission denied

• Error code 255

Stop.
make[1]: stopped in /wrkdirs/usr/ports/devel/hare/work/hare-0919412b

• Error code 1

Stop.
make: stopped in /usr/ports/devel/hare

Approved by: portmgr (blanket, just fix it)