Fix RPM package
Specify standard installation prefixes when building binary RPM packages from source (SRPM). This also fixes the packages published via the Copr repository. -----BEGIN SSH SIGNATURE----- U1NIU0lHAAAAAQAAADMAAAALc3NoLWVkMjU1MTkAAAAgBVqPPyNnmNuFCcqngjtbaiM8Mp lyYKSaAQebtdlM7eUAAAADZ2l0AAAAAAAAAAZzaGE1MTIAAABTAAAAC3NzaC1lZDI1NTE5 AAAAQDtl/ygnL2UPXsqFyJUZNkVR41P/L/z/FtRUlP8bjii65VOZSRvL0buh4lKqv4tKWQ RE4wFY2I0Hgnh+oEBA5Qc= -----END SSH SIGNATURE-----