353739: Klocwork Null ptr dereferences in instance.c. r=nelson
353739: Klocwork Null ptr dereferences in instance.c. r=nelson

thespooler/nss,thespooler/nss,thespooler/nss,thespooler/nss,thespooler/nss,thespooler/nss,thespooler/nss