some cleanup of f_pc/f_op files (#2254)

* cleanup f_pc files

* cleanup f_op files

* fix a couple f_op_actor_mng functions

* minor JSystem work

src/d/actor/d_a_scene_exit2.cpp

@@ -215,7 +215,7 @@ extern actor_process_profile_definition g_profile_SCENE_EXIT2 = {
     7,
     fpcPi_CURRENT_e,
     PROC_SCENE_EXIT2,
-    &g_fpcLf_Method.mBase,
+    &g_fpcLf_Method.base,
     sizeof(daScExit_c),
     0,
     0,
@@ -225,4 +225,4 @@ extern actor_process_profile_definition g_profile_SCENE_EXIT2 = {
     0x40000,
     fopAc_ACTOR_e,
     fopAc_CULLBOX_CUSTOM_e,
-};
+};