Fix crash when importing (unwrapping) private key with no label. Bug 335481. r=julien,rrelyea
Fix crash when importing (unwrapping) private key with no label.
Bug 335481. r=julien,rrelyea

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