Fixes System.ArgumentNullException when editing a currency

mgesing · mgesing · commit ed775f214380 · 2018-07-21T12:29:24.000+02:00
diff --git a/src/Presentation/SmartStore.Web/Administration/Controllers/CurrencyController.cs b/src/Presentation/SmartStore.Web/Administration/Controllers/CurrencyController.cs
@@ -406,7 +406,7 @@ public ActionResult Edit(CurrencyModel model, bool continueEditing)
             if (ModelState.IsValid)
             {
                 currency = model.ToEntity(currency);
-                currency.DomainEndings = String.Join(",", model.DomainEndingsArray);
+                currency.DomainEndings = string.Join(",", model.DomainEndingsArray ?? new string[0]);
 
                 if (!IsAttachedToStore(currency, _services.StoreService.GetAllStores(), false))
 				{

Original file line number	Diff line number	Diff line change
`@@ -406,7 +406,7 @@ public ActionResult Edit(CurrencyModel model, bool continueEditing)`
`406`	`406`	`if (ModelState.IsValid)`
`407`	`407`	`{`
`408`	`408`	`currency = model.ToEntity(currency);`
`409`		`- currency.DomainEndings = String.Join(",", model.DomainEndingsArray);`
	`409`	`+ currency.DomainEndings = string.Join(",", model.DomainEndingsArray ?? new string[0]);`
`410`	`410`
`411`	`411`	`if (!IsAttachedToStore(currency, _services.StoreService.GetAllStores(), false))`
`412`	`412`	`{`