Update object.h

Author: AzliRynz

object.h

@@ -15,11 +15,11 @@ typedef enum {
     OBJ_STRING,
 } ObjType;
 
-struct Obj {
+struct {
     ObjType type;
     bool is_marked;
     struct Obj* next;
-};
+} Obj;
 
 typedef struct {
     Obj* obj;