Update 0ad to version 0.0.25b / rev 7 via SR 994558
https://build.opensuse.org/request/show/994558
by user aaronpuchert + dimstar_suse
- Fix rpmlint by adding premake-no-automatic-rpath.patch: don't let
premake automatically add RPATHs, these are unnecessary.
- Add distribution default link flags, especially -Wl,-z,now.