[cleanup] [proxies] Unify style of recently written code

src/runtime/runtime-scopes.cc

Index: src/runtime/runtime-scopes.cc
diff --git a/src/runtime/runtime-scopes.cc b/src/runtime/runtime-scopes.cc
index e99963dfbbc605fc362d73ea62b9a75cd89d0b87..c416e244faabec36df54efd75e4ef2b0d9f3602c 100644
--- a/src/runtime/runtime-scopes.cc
+++ b/src/runtime/runtime-scopes.cc
@@ -826,8 +826,10 @@ RUNTIME_FUNCTION(Runtime_DeclareModules) {
       }
     }
 
-    if (JSObject::PreventExtensions(module, Object::THROW_ON_ERROR).IsNothing())
+    if (JSObject::PreventExtensions(module, Object::THROW_ON_ERROR)
+            .IsNothing()) {
       DCHECK(false);
+    }
   }
 
   DCHECK(!isolate->has_pending_exception());