work around new git safety checks

.copr/Makefile

 .PHONY: srpm
 srpm:
 	dnf -y install git-core
+	id
+	ls -l
+	# work around new git safety checks ...
+	git config --global --add safe.directory $$PWD/libixxx
+	git config --global --add safe.directory $$PWD/libixxxutil
 	git submodule update --init
 	./build-tar.sh
 	rpmbuild --define "_sourcedir $$PWD" --define "_specdir $$PWD" --define "_builddir $$PWD" --define "_rpmdir $(outdir)" --define "_srcrpmdir $(outdir)" -bs gms-utils.spec