pidgin/pidgin

Only run tests that require libidn when we have libidn available
release-2.x.y
2021-09-14, Gary Kramlich
581ae0eecd0d
Only run tests that require libidn when we have libidn available

This should eliminate the need for https://gitweb.gentoo.org/repo/gentoo.git/tree/net-im/pidgin/files/pidgin-2.13.0-disable-one-jid-test.patch

Testing Done:
Compiled with and with out `--disable-idn`, also added a `#warning` during testing to verify if the code was being include properly.

Reviewed at https://reviews.imfreedom.org/r/922/
/*
* purple
*
* Purple is the legal property of its developers, whose names are too numerous
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* source distribution.
*
* This program is free software; you can redistribute it and/or modify
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#ifndef _DBUS_PURPLE_H_
#define _DBUS_PURPLE_H_
#define DBUS_SERVICE_PURPLE "im.pidgin.purple.PurpleService"
#define DBUS_PATH_PURPLE "/im/pidgin/purple/PurpleObject"
#define DBUS_INTERFACE_PURPLE "im.pidgin.purple.PurpleInterface"
#endif /* _DBUS_PURPLE_H_ */