Bump realistic braking savegame version

src/saveload/afterload.cpp

@@ -3873,6 +3873,14 @@ bool AfterLoadGame()
 	if (SlXvIsFeatureMissing(XSLFI_REALISTIC_TRAIN_BRAKING)) {
 		_settings_game.vehicle.train_braking_model = TBM_ORIGINAL;
 	}
+	if (!SlXvIsFeaturePresent(XSLFI_REALISTIC_TRAIN_BRAKING, 2)) {
+		for (Train *t : Train::Iterate()) {
+			if (!(t->vehstatus & VS_CRASHED)) {
+				t->crash_anim_pos = 0;
+			}
+			if (t->lookahead != nullptr) SetBit(t->lookahead->flags, TRLF_APPLY_ADVISORY);
+		}
+	}
 
 	if (SlXvIsFeatureMissing(XSLFI_INFLATION_FIXED_DATES)) {
 		_settings_game.economy.inflation_fixed_dates = !IsSavegameVersionBefore(SLV_GS_INDUSTRY_CONTROL);

src/saveload/extended_ver_sl.cpp

@@ -144,7 +144,7 @@ const SlxiSubChunkInfo _sl_xv_sub_chunk_infos[] = {
 	{ XSLFI_ANIMATED_TILE_EXTRA,    XSCF_NULL,                1,   1, "animated_tile_extra",       nullptr, nullptr, nullptr        },
 	{ XSLFI_NEWGRF_INFO_EXTRA,      XSCF_NULL,                1,   1, "newgrf_info_extra",         nullptr, nullptr, nullptr        },
 	{ XSLFI_INDUSTRY_CARGO_ADJ,     XSCF_IGNORABLE_UNKNOWN,   1,   1, "industry_cargo_adj",        nullptr, nullptr, nullptr        },
-	{ XSLFI_REALISTIC_TRAIN_BRAKING,XSCF_NULL,                1,   1, "realistic_train_braking",   nullptr, nullptr, "VLKA"         },
+	{ XSLFI_REALISTIC_TRAIN_BRAKING,XSCF_NULL,                2,   2, "realistic_train_braking",   nullptr, nullptr, "VLKA"         },
 	{ XSLFI_INFLATION_FIXED_DATES,  XSCF_IGNORABLE_ALL,       1,   1, "inflation_fixed_dates",     nullptr, nullptr, nullptr        },
 	{ XSLFI_WATER_FLOODING,         XSCF_NULL,                1,   1, "water_flooding",            nullptr, nullptr, nullptr        },
 	{ XSLFI_MORE_HOUSES,            XSCF_NULL,                1,   1, "more_houses",               nullptr, nullptr, nullptr        },