specfile: Re-work library symlinks
specfile: Re-work library symlinks

Remove the soname symlink, that will be created by ldconfig and symlink
the linker name to libround.so.MAJOR

Signed-off-by: Andrew Clayton <02e0a999c50b1f88df7a8f5a04e1b76b35ea6a88@digital-domain.net>

ac000/libround