pidgin/pidgin

Install our appdata file to $(datadir)/metainfo as that change was made a long time ago

This patch originates from Lars Wendler from Gentoo

https://gitweb.gentoo.org/repo/gentoo.git/commit/net-im/pidgin/files/pidgin-2.13.0-metainfo.patch?id=2dd6c1852251b5b67c3045badf173be9535b97a9

Testing Done:
Installed to a prefix and verified the file ended up in `$prefix/share/metainfo`

Reviewed at https://reviews.imfreedom.org/r/607/
#ifndef __gtksourceview_marshal_MARSHAL_H__
#define __gtksourceview_marshal_MARSHAL_H__
#include <glib-object.h>
G_BEGIN_DECLS
/* VOID:VOID (gtksourceview-marshal.list:1) */
#define gtksourceview_marshal_VOID__VOID g_cclosure_marshal_VOID__VOID
/* VOID:BOOLEAN (gtksourceview-marshal.list:2) */
#define gtksourceview_marshal_VOID__BOOLEAN g_cclosure_marshal_VOID__BOOLEAN
/* VOID:BOXED (gtksourceview-marshal.list:3) */
#define gtksourceview_marshal_VOID__BOXED g_cclosure_marshal_VOID__BOXED
/* VOID:BOXED,BOXED (gtksourceview-marshal.list:4) */
extern void gtksourceview_marshal_VOID__BOXED_BOXED (GClosure *closure,
GValue *return_value,
guint n_param_values,
const GValue *param_values,
gpointer invocation_hint,
gpointer marshal_data);
/* VOID:STRING (gtksourceview-marshal.list:5) */
#define gtksourceview_marshal_VOID__STRING g_cclosure_marshal_VOID__STRING
G_END_DECLS
#endif /* __gtksourceview_marshal_MARSHAL_H__ */