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/
pkgdir = $(libdir)/purple-$(PURPLE_MAJOR_VERSION)
ZEPHYRSOURCES = \
ZAsyncLocate.c \
ZCkAuth.c \
ZCkIfNot.c \
ZClosePort.c \
ZCmpUID.c \
ZCmpUIDP.c \
ZFlsLocs.c \
ZFlsSubs.c \
ZFmtAuth.c \
ZFmtList.c \
ZFmtNotice.c \
ZFmtRaw.c \
ZFmtRawLst.c \
ZFmtSmRLst.c \
ZFmtSmRaw.c \
ZFreeNot.c \
ZGetLocs.c \
ZGetSender.c \
ZGetSubs.c \
ZGetWGPort.c \
ZIfNotice.c \
ZInit.c \
ZLocations.c \
ZMakeAscii.c \
ZMkAuth.c \
ZNewLocU.c \
ZOpenPort.c \
ZParseNot.c \
ZPeekIfNot.c \
ZPeekNot.c \
ZPeekPkt.c \
ZPending.c \
ZReadAscii.c \
ZRecvNot.c \
ZRecvPkt.c \
ZRetSubs.c \
ZSendList.c \
ZSendNot.c \
ZSendPkt.c \
ZSendRLst.c \
ZSendRaw.c \
ZSetDest.c \
ZSetFD.c \
ZSetSrv.c \
ZSubs.c \
ZVariables.c \
ZWait4Not.c \
ZhmStat.c \
Zinternal.c \
com_err.h \
error_message.c \
error_table.h \
et_name.c \
init_et.c \
internal.h \
mit-copyright.h \
mit-sipb-copyright.h \
sysdep.h \
zephyr_err.c \
zephyr_err.h \
zephyr_internal.h \
zephyr.c
ZEPHYRSOURCESEXT = zephyr.c
AM_CFLAGS = $(st)
ZEPHYRLIBS = $(KRB4_LDFLAGS) $(KRB4_LIBS)
ZEPHYRLIBSEXT = $(ZEPHYR_LDFLAGS) $(ZEPHYR_LIBS)
libzephyr_la_LDFLAGS = -module -avoid-version
if STATIC_ZEPHYR
st = -DPURPLE_STATIC_PRPL -Dlint
noinst_LTLIBRARIES = libzephyr.la
libzephyr_la_SOURCES = $(ZEPHYRSOURCES)
libzephyr_la_CFLAGS = $(AM_CFLAGS)
libzephyr_la_LIBADD = $(ZEPHYRLIBS)
else
st = -Dlint
pkg_LTLIBRARIES = libzephyr.la
if EXTERNAL_LIBZEPHYR
libzephyr_la_SOURCES = $(ZEPHYRSOURCESEXT)
libzephyr_la_LIBADD = $(GLIB_LIBS) $(ZEPHYRLIBSEXT)
else
libzephyr_la_SOURCES = $(ZEPHYRSOURCES)
libzephyr_la_LIBADD = $(GLIB_LIBS) $(ZEPHYRLIBS)
endif
endif
AM_CPPFLAGS = \
-I$(top_srcdir) \
-I$(top_srcdir)/libpurple \
-I$(top_builddir)/libpurple \
-I$(top_srcdir)/libpurple/protocols \
-DCONFDIR=\"$(sysconfdir)\" \
$(GLIB_CFLAGS) \
$(KRB4_CFLAGS) \
$(DEBUG_CFLAGS)