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/
/* This file is part of the Project Athena Zephyr Notification System.
* It contains source for the ZPeekIfNotice function.
*
* Created by: Robert French
*
* Copyright (c) 1987,1988 by the Massachusetts Institute of Technology.
* For copying and distribution information, see the file
* "mit-copyright.h".
*/
#include "internal.h"
#if 0
Code_t ZPeekIfNotice(notice, from, predicate, args)
ZNotice_t *notice;
struct sockaddr_in *from;
int (*predicate)();
char *args;
{
ZNotice_t tmpnotice;
Code_t retval;
char *buffer;
struct _Z_InputQ *qptr;
if ((retval = Z_WaitForComplete()) != ZERR_NONE)
return (retval);
for (;;) {
qptr = Z_GetFirstComplete();
while (qptr) {
if ((retval = ZParseNotice(qptr->packet, qptr->packet_len,
&tmpnotice)) != ZERR_NONE)
return (retval);
if ((*predicate)(&tmpnotice, args)) {
if (!(buffer = (char *) malloc((unsigned) qptr->packet_len)))
return (ENOMEM);
(void) memcpy(buffer, qptr->packet, qptr->packet_len);
if (from)
*from = qptr->from;
if ((retval = ZParseNotice(buffer, qptr->packet_len,
notice)) != ZERR_NONE) {
free(buffer);
return (retval);
}
return (ZERR_NONE);
}
qptr = Z_GetNextComplete(qptr);
}
if ((retval = Z_ReadWait()) != ZERR_NONE)
return (retval);
}
}
#endif