Style: Apply new changes from clang-format 8.0

It seems to stay compatible with formatting done by clang-format 6.0 and 7.0,
so contributors can keep using those versions for now (they will not undo those
changes).

scene/resources/resource_format_text.cpp

@@ -1459,7 +1459,8 @@ void ResourceFormatSaverTextInstance::_find_resources(const Variant &p_variant,
 				_find_resources(v);
 			}
 		} break;
-		default: {}
+		default: {
+		}
 	}
 }