Re-apply changes to make this compile with -Wundef:
Re-apply changes to make this compile with -Wundef:

/usr/src/sys/modules/drm/radeon/../../../dev/drm/radeon_state.c:2976:5: "BITS_PER_LONG" is not defined

(Previous revision has trashed my changes.)

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