Codechange: Replace FOR_ALL_ENGINE_RENEWS with range-based for loops

src/autoreplace_base.h

@@ -41,7 +41,4 @@ struct EngineRenew : EngineRenewPool::PoolItem<&_enginerenew_pool> {
 	~EngineRenew() {}
 };
 
-#define FOR_ALL_ENGINE_RENEWS_FROM(var, start) FOR_ALL_ITEMS_FROM(EngineRenew, enginerenew_index, var, start)
-#define FOR_ALL_ENGINE_RENEWS(var) FOR_ALL_ENGINE_RENEWS_FROM(var, 0)
-
 #endif /* AUTOREPLACE_BASE_H */

src/group_cmd.cpp

@@ -384,10 +384,9 @@ CommandCost CmdDeleteGroup(TileIndex tile, DoCommandFlag flags, uint32 p1, uint3
 		/* If we set an autoreplace for the group we delete, remove it. */
 		if (_current_company < MAX_COMPANIES) {
 			Company *c;
-			EngineRenew *er;
 
 			c = Company::Get(_current_company);
-			FOR_ALL_ENGINE_RENEWS(er) {
+			for (EngineRenew *er : EngineRenew::Iterate()) {
 				if (er->group_id == g->index) RemoveEngineReplacementForCompany(c, er->from, g->index, flags);
 			}
 		}

src/saveload/autoreplace_sl.cpp

@@ -26,9 +26,7 @@ static const SaveLoad _engine_renew_desc[] = {
 
 static void Save_ERNW()
 {
-	EngineRenew *er;
-
-	FOR_ALL_ENGINE_RENEWS(er) {
+	for (EngineRenew *er : EngineRenew::Iterate()) {
 		SlSetArrayIndex(er->index);
 		SlObject(er, _engine_renew_desc);
 	}
@@ -53,9 +51,7 @@ static void Load_ERNW()
 
 static void Ptrs_ERNW()
 {
-	EngineRenew *er;
-
-	FOR_ALL_ENGINE_RENEWS(er) {
+	for (EngineRenew *er : EngineRenew::Iterate()) {
 		SlObject(er, _engine_renew_desc);
 	}
 }