Protect against recursive labels creation in simlar way as it is done in BSD and MBR classes, ie. if provider below us uses the same metadata, don't create labels based on the metadata. This allows to create labels on geoms with rank != 1 without hacks.
Protect against recursive labels creation in simlar way as it is done
in BSD and MBR classes, ie. if provider below us uses the same metadata,
don't create labels based on the metadata.
This allows to create labels on geoms with rank != 1 without hacks.

Tested by:	Chris Elsworth <chris@shagged.org> on sparc64
OK'ed by:	phk
MFC after:	2 weeks

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase