Compare the *number* of patterns to zero, not the *pointer* to the patterns.  (These lines are correct the other two times they appear.)
Compare the *number* of patterns to zero, not the *pointer* to the
patterns.  (These lines are correct the other two times they appear.)

Reported by:	"Ted Unangst" <tedu@coverity.com>
Approved by:	rwatson (mentor), ken (scsi)

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