fixed error when trying to rmb sex with drafted pawn

Source/Common/RMB_Menu.cs

@@ -162,6 +162,8 @@ namespace rjw
 			//Log.Message("targets count " + validtargets.Count());
 			foreach (LocalTargetInfo target in validtargets)
 			{
+				if (target.Pawn != null && target.Pawn.Drafted)
+					continue;
 				// Ensure target is reachable.
 				if (!pawn.CanReach(target, PathEndMode.ClosestTouch, Danger.Deadly))
 				{