353416: Klocwork 76593 null ptr deref in nssCryptokiPrivateKey_SetCertificate. r=nelson
353416: Klocwork 76593 null ptr deref in nssCryptokiPrivateKey_SetCertificate. r=nelson

nmav/nss,ekr/nss-old,ekr/nss-old,nmav/nss,ekr/nss-old,ekr/nss-old,ekr/nss-old,nmav/nss,nmav/nss,ekr/nss-old,nmav/nss,nmav/nss,ekr/nss-old,nmav/nss