multiple choice dialog small fix

dmp-frontend/src/app/ui/dmp/overview/dmp-overview.module.ts

@@ -9,12 +9,14 @@ import { CommonUiModule } from '@common/ui/common-ui.module';
 import { NgDialogAnimationService } from 'ng-dialog-animation';
 import { DmpFinalizeDialogModule } from '../dmp-finalize-dialog/dmp-finalize-dialog.module';
 import { DmpOverviewRoutingModule } from './dmp-overview.routing';
+import { MultipleChoiceDialogModule } from '@common/modules/multiple-choice-dialog/multiple-choice-dialog.module';
 
 @NgModule({
 	imports: [
 		CommonUiModule,
 		CommonFormsModule,
 		ConfirmationDialogModule,
+		MultipleChoiceDialogModule,
 		FormattingModule,
 		AutoCompleteModule,
 		DmpOverviewRoutingModule,

dmp-frontend/src/common/modules/multiple-choice-dialog/multiple-choice-dialog.module.ts

@@ -10,4 +10,6 @@ import { MultipleChoiceDialogComponent } from './multiple-choice-dialog.componen
 	declarations: [MultipleChoiceDialogComponent],
 	exports: [MultipleChoiceDialogComponent]
 })
-export class MultipleChoiceDialogModule { }
+export class MultipleChoiceDialogModule { 
+	constructor() { }
+}