rewtguy/pidgin

Make pidgin_create_icon_from_protocol use icon theme lookup for protocol icons

This fixes protocol icons from an uninstalled devenv.

Testing Done:
Run `meson devenv pidgin3` and see the protocol icons working again.

Reviewed at https://reviews.imfreedom.org/r/968/
/*
* finch
*
* Finch is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses/>.
*/
#ifndef FINCH_H
#define FINCH_H
#ifndef __GI_SCANNER__ /* hide this bit from g-ir-scanner */
# ifdef FINCH_COMPILATION
# error "finch source files should not be including finch.h"
# endif /* FINCH_COMPILATION */
#endif /* __GI_SCANNER__ */
#ifndef FINCH_GLOBAL_HEADER_INSIDE
# define FINCH_GLOBAL_HEADER_INSIDE
#endif /* FINCH_GLOBAL_HEADER_INSIDE */
@FINCH_H_INCLUDES@
#undef FINCH_GLOBAL_HEADER_INSIDE
#endif /* FINCH_H */