Fix funny message: can't give to dead pcs because 'no item slot'

src/game/boe.dlgutil.cpp

@@ -334,6 +334,9 @@ void handle_sale(int i) {
 					else if(base_item.variety == eItemType::QUEST) ASB("You already completed this.");
 					else ASB("You own too many of this.");
 					break;
+				// This should not happen:
+				case eBuyStatus::DEAD:
+					break;
 			}
 			break;
 		case eShopItemType::ALCHEMY:

src/game/boe.items.cpp

@@ -967,6 +967,10 @@ short select_pc(eSelectPC mode, std::string title, eSkill highlight_highest, boo
 						extra_info = "no item slot";
 						can_pick = false;
 						break;
+					case eBuyStatus::DEAD:
+						// Extra info not really needed, and kind of silly to print
+						can_pick = false;
+						break;
 					default:
 						break;
 				}