Updated imports

ref #76

src/models/actions/update/UpdateDonor.ts

@@ -1,7 +1,7 @@
 import { IsBoolean, IsInt, IsOptional } from 'class-validator';
 import { DonorReceiptAddressNeededError } from '../../../errors/DonorErrors';
 import { Donor } from '../../entities/Donor';
-import { CreateParticipant } from './CreateParticipant';
+import { CreateParticipant } from '../create/CreateParticipant';
 
 /**
  * This class is used to update a Donor entity (via put request).