libfwupd: Do not export non-introspectable symbols without a version
libfwupd: Do not export non-introspectable symbols without a version

This is needed for future functionality.

hughsie/fwupd,hughsie/fwupd,hughsie/fwupd,hughsie/fwupd,fwupd/fwupd,fwupd/fwupd,fwupd/fwupd,fwupd/fwupd