pidgin/pidgin

Use G_DECLARE_DERIVABLE_TYPE for PurpleConversation and additional cleanups

The setters for PurpleConversation are kind of crappy because of the
conversation cache in the purple_conversations api, which we'll address at a
later time.

Testing Done:
Compiled and ran locally, parted a chat and just signed out to verify no new issues.

Reviewed at https://reviews.imfreedom.org/r/613/
/*
* untar.h
*
* Author: Herman Bloggs <hermanator12002@yahoo.com>
* Date: April, 2003
* Description: untar.c header
*/
#ifndef _UNTAR_H_
#define _UNTAR_H_
G_BEGIN_DECLS
typedef enum {
UNTAR_LISTING = (1 << 0),
UNTAR_QUIET = (1 << 1),
UNTAR_VERBOSE = (1 << 2),
UNTAR_FORCE = (1 << 3),
UNTAR_ABSPATH = (1 << 4),
UNTAR_CONVERT = (1 << 5)
} untar_opt;
int untar(const char *filename, const char *destdir, untar_opt options);
G_END_DECLS
#endif