pidgin/pidgin

aim: Switch to new libpurple/finch distid/devids provided by AOL

The pidgin ids were already handled by a previous commit.

https://pidgin.im/pipermail/support/2017-January/029820.html
prefix=@prefix@
exec_prefix=@exec_prefix@
libdir=@libdir@
includedir=@includedir@
datarootdir=@datarootdir@
datadir=@datadir@
sysconfdir=@sysconfdir@
Name: Pidgin (Gaim compatibility)
Description: Pidgin is a GTK2-based instant messenger application.
Version: @VERSION@
Requires: glib-2.0
Cflags: -I${includedir}/libpurple
Libs: -L${libdir} -lpurple