Update FwpTypes.cs (FWP_DATA_TYPE.FWP_SINGLE_DATA_TYPE_MAX) (#503)

Following to https://learn.microsoft.com/en-us/windows/win32/api/fwptypes/ne-fwptypes-fwp_data_type FWP_DATA_TYPE.FWP_SINGLE_DATA_TYPE_MAX has 0xff value, so i'm not able to create filter with FWP_V4_ADDR_MASK condition  value type.

PInvoke/FwpUClnt/FwpTypes.cs

@@ -198,7 +198,7 @@ public enum FWP_DATA_TYPE
 		/// <para>0xff</para>
 		/// <para>Reserved for future use.</para>
 		/// </summary>
-		FWP_SINGLE_DATA_TYPE_MAX,
+		FWP_SINGLE_DATA_TYPE_MAX = 0xff,
 
 		/// <summary>
 		/// <para>Indicates a pointer to an</para>
@@ -1096,4 +1096,4 @@ public struct IPSEC_VIRTUAL_IF_TUNNEL_INFO0
 		/// <summary>ID of the virtual interface tunneling traffic selector(s).</summary>
 		public ulong trafficSelectorId;
 	}
-}
+}