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/
if HAVE_CHECK
TESTS=check_libpurple
clean-local:
-rm -rf libpurple..
check_PROGRAMS=check_libpurple
check_libpurple_SOURCES=\
check_libpurple.c \
tests.h \
test_cipher.c \
test_jabber_caps.c \
test_jabber_digest_md5.c \
test_jabber_jutil.c \
test_jabber_scram.c \
test_util.c \
test_xmlnode.c \
$(top_builddir)/libpurple/util.h
check_libpurple_CFLAGS=\
@CHECK_CFLAGS@ \
$(GLIB_CFLAGS) \
$(DEBUG_CFLAGS) \
$(LIBXML_CFLAGS) \
-I.. \
-I$(top_srcdir)/libpurple \
-DBUILDDIR=\"$(top_builddir)\"
check_libpurple_LDADD=\
$(top_builddir)/libpurple/protocols/jabber/libjabber.la \
$(top_builddir)/libpurple/libpurple.la \
@CHECK_LIBS@ \
$(GLIB_LIBS)
endif