Log Message:
-----------
update libidn to 1.15
Modified Files:
--------------
mports/dns/libidn:
Makefile (r1.4 -> r1.5)
(http://cvsweb.midnightbsd.org/mports/dns/libidn/Makefile?r1=1.4&r2=1.5)
distinfo (r1.4 -> r1.5)
(http://cvsweb.midnightbsd.org/mports/dns/libidn/distinfo?r1=1.4&r2=1.5)