Bug 387613, Crash [@ nsNSSCertificate::GetCert fb3ac2be] on click submit on chrome://pippki/content/editcacert.xul

r=rrelyea

security/manager/ssl/src/nsNSSCertificateDB.cpp

@@ -999,6 +999,8 @@ nsNSSCertificateDB::SetCertTrust(nsIX509Cert *cert,
   SECStatus srv;
   nsNSSCertTrust trust;
   nsCOMPtr<nsIX509Cert2> pipCert = do_QueryInterface(cert);
+  if (!pipCert)
+    return NS_ERROR_FAILURE;
   CERTCertificate *nsscert = pipCert->GetCert();
   CERTCertificateCleaner certCleaner(nsscert);
   if (type == nsIX509Cert::CA_CERT) {