Skip GRF compatibility check when using -K/-q switches

src/fios.h

@@ -41,6 +41,7 @@ struct LoadCheckData {
 	CompanyPropertiesMap companies;               ///< Company information.
 
 	GRFConfig *grfconfig;                         ///< NewGrf configuration from save.
+	bool want_grf_compatibility = true;
 	GRFListCompatibility grf_compatibility;       ///< Summary state of NewGrfs, whether missing files or only compatible found.
 
 	struct LoggedAction *gamelog_action;          ///< Gamelog actions

src/openttd.cpp

@@ -786,6 +786,7 @@ int openttd_main(int argc, char *argv[])
 
 			_load_check_data.Clear();
 			if (i == 'K') _load_check_data.want_debug_data = true;
+			_load_check_data.want_grf_compatibility = false;
 			SaveOrLoadResult res = SaveOrLoad(mgo.opt, SLO_CHECK, DFT_GAME_FILE, SAVE_DIR, false);
 			if (res != SL_OK || _load_check_data.HasErrors()) {
 				fprintf(stderr, "Failed to open savegame\n");

src/saveload/saveload.cpp

@@ -3290,7 +3290,7 @@ static SaveOrLoadResult DoLoad(LoadFilter *reader, bool load_check)
 
 	if (load_check) {
 		/* The only part from AfterLoadGame() we need */
-		_load_check_data.grf_compatibility = IsGoodGRFConfigList(_load_check_data.grfconfig);
+		if (_load_check_data.want_grf_compatibility) _load_check_data.grf_compatibility = IsGoodGRFConfigList(_load_check_data.grfconfig);
 	} else {
 		GamelogStartAction(GLAT_LOAD);