Do not increment num_args if strsep(3) returned an empty field. That fixes devstat_buildmatch(3) crashes with certain strings.
Do not increment num_args if strsep(3) returned an empty field.
That fixes devstat_buildmatch(3) crashes with certain strings.

Reported by:	arundel
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