Fix packaging not split packages
Fix packaging not split packages

Because of a bug, it was impossible to build a single package or
tarball containing runtime and development files together.

Disabling development part of package when using '--no-split' should
be done only by using '--no-devel' option.

fluendo/cerbero,fluendo/cerbero,fluendo/cerbero,fluendo/cerbero,fluendo/cerbero