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/
#
# Makefile.mingw
#
# Description: Makefile for win32 (mingw) version of Pidgin ca-certs
#
PIDGIN_TREE_TOP := ../..
include $(PIDGIN_TREE_TOP)/libpurple/win32/global.mak
datadir := $(PIDGIN_INSTALL_DIR)
-include ./Makefile.am.mingw
cacertsdir := $(PIDGIN_INSTALL_DIR)/ca-certs
.PHONY: install clean
install: ./Makefile.am.mingw
if test '$(cacerts_DATA)'; then \
mkdir -p $(cacertsdir); \
cp $(cacerts_DATA) $(cacertsdir); \
fi;
clean:
rm -f ./Makefile.am.mingw
./Makefile.am.mingw: ./Makefile.am
sed -e 's/^if\ INSTALL_SSL_CERTIFICATES/ifeq (\$$(INSTALL_SSL_CERTIFICATES), 1)/' ./Makefile.am > $@