Account recovery/backup feature

Sources/Integration/Implementations/Bindings.swift

@@ -542,7 +542,11 @@ extension BindingsClient: BindingsInterface {
 
     public func generateUDFromBackup(email: String?, phone: String?) throws -> UserDiscoveryInterface {
         var error: NSError?
-        let udb = BindingsNewUserDiscoveryFromBackup(self, email, phone, &error)
+
+        let paramEmail = email != nil ? "E\(email!)" : nil
+        let paramPhone = phone != nil ? "P\(phone!)" : nil
+
+        let udb = BindingsNewUserDiscoveryFromBackup(self, paramEmail, paramPhone, &error)
 
         /// Alternate udb