BETA: Missing xsd part for [DP9778]

L2J_DataPack_BETA/dist/game/data/xsd/buylist.xsd

@@ -13,7 +13,7 @@
 				<xs:element name="item" minOccurs="1" maxOccurs="unbounded">
 					<xs:complexType>
 						<xs:attribute name="id" type="xs:positiveInteger" use="required" />
-						<xs:attribute name="price" type="xs:positiveInteger" />
+						<xs:attribute name="price" type="xs:integer" />
 						<xs:attribute name="restock_delay" type="xs:positiveInteger" />
 						<xs:attribute name="count" type="xs:positiveInteger" />
 					</xs:complexType>