Fixed small syntax error

src/runtime/internal/utils.ts

@@ -62,7 +62,7 @@ export function subscribe(store, ...callbacks) {
 	return unsub.unsubscribe ? () => unsub.unsubscribe() : unsub;
 }
 
-export function get_store_value<T, S extends Readable<T>>(store: S): T { {
+export function get_store_value<T, S extends Readable<T>>(store: S): T {
 	let value;
 	subscribe(store, _ => value = _)();
 	return value;
@@ -152,4 +152,4 @@ export const has_prop = (obj, prop) => Object.prototype.hasOwnProperty.call(obj,
 
 export function action_destroyer(action_result) {
 	return action_result && is_function(action_result.destroy) ? action_result.destroy : noop;
-}
+}