Fix missing comma

Dominus Vilicus · web-flow · commit 3daa3eca7ac9 · 2020-05-18T17:05:11.000+09:30
diff --git a/src/compiler/compile/index.ts b/src/compiler/compile/index.ts
@@ -24,7 +24,7 @@ const valid_options = [
 	'customElement',
 	'tag',
 	'css',
-	'hash'
+	'hash',
 	'loopGuardTimeout',
 	'preserveComments',
 	'preserveWhitespace'
