Fix a copy-and-paste-o in IFQ_DRV_PREPEND - all pointyhats to me. While here also fix a (not less stupid) braino in IFQ_DRV_PURGE.
Fix a copy-and-paste-o in IFQ_DRV_PREPEND - all pointyhats to me.
While here also fix a (not less stupid) braino in IFQ_DRV_PURGE.

Reported-by:	clement
Tested-by:	clement (_PREPEND in sis(4))

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