Log Message:
PR 41978 from Joachim Kuebart

Update:
    chat/finch to 2.6.1
    chat/libpurple to 2.6.1
    chat/pidgin to 2.6.1
    chat/pidgin-sametime to 2.6.1
    chat/pidgin-silc to 2.6.1

major changes:
 o addition of farsight support for voice/video chats (untested, new option on \ 
by default)
 o addition of dependency on devel/libidn
 o addition of gstreamer option for libpurple (on by default)