Fix multiple flags ignored in enum property operator.

Assets/Cryville/Crtr/PropOp.cs

@@ -118,7 +118,7 @@ namespace Cryville.Crtr {
 			protected override void Execute() {
 				int result = 0;
 				for (int i = 0; i < LoadedOperandCount; i++)
-					result |= _cache[GetOperand(0).AsIdentifier()];
+					result |= _cache[GetOperand(i).AsIdentifier()];
 				_cb(_caster(result));
 			}
 		}