fix broken builds by exporting PK11 PBE functions for smime.so (PKCS#12)

security/nss/lib/nss/nss.def

@@ -309,6 +309,8 @@ PK11_ImportEncryptedPrivateKeyInfo;
 PK11_ImportPrivateKeyInfo;
 PK11_MapPBEMechanismToCryptoMechanism;
 PK11_PBEKeyGen;
+PK11_CreatePBEParams;
+PK11_DestroyPBEParams;
 PK11_ParamFromAlgid;
 PK11_ParamToAlgid;
 PK11_TraverseCertsForNicknameInSlot;