[macro] don't lose position in `get_type`

closes #7465

src/typing/macroContext.ml

@@ -152,7 +152,7 @@ let make_macro_api ctx p =
 						{ tpackage = fst path; tname = snd path; tparams = []; tsub = None }
 				in
 				try
-					let m = Some (Typeload.load_instance ctx (tp,null_pos) true) in
+					let m = Some (Typeload.load_instance ctx (tp,p) true) in
 					m
 				with Error (Module_not_found _,p2) when p == p2 ->
 					None