Fix UNLIKELY parenthesis

Summary: Ooops :) status.ok() is acutally highly likely :)

Test Plan: none

Reviewers: rven, yhchiang, anthony

Reviewed By: anthony

Subscribers: dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D38043

db/db_impl.cc

@@ -3200,8 +3200,8 @@ Status DBImpl::Write(const WriteOptions& write_options, WriteBatch* my_batch) {
     status = ScheduleFlushes(&context);
   }
 
-  if (UNLIKELY(status.ok()) &&
-      (write_controller_.IsStopped() || write_controller_.GetDelay() > 0)) {
+  if (UNLIKELY(status.ok() && (write_controller_.IsStopped() ||
+                               write_controller_.GetDelay() > 0))) {
     // If writer is stopped, we need to get it going,
     // so schedule flushes/compactions
     if (context.schedule_bg_work_) {