Quota: Fix typo in preprocessor endif.

Change-Id: Ic6af52c690e436769a42ea1d24a0ace4337d8296
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1841871
Commit-Queue: Jarryd Goodman <jarrydg@chromium.org>
Commit-Queue: Darwin Huang <huangdarwin@chromium.org>
Auto-Submit: Jarryd Goodman <jarrydg@chromium.org>
Reviewed-by: Darwin Huang <huangdarwin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#702931}

storage/browser/quota/quota_settings.h

@@ -100,4 +100,4 @@ COMPONENT_EXPORT(STORAGE_BROWSER)
 QuotaDiskInfoHelper* GetDefaultDiskInfoHelper();
 }  // namespace storage
 
-#endif  // STORAGE_BROWSER_QUOTA_QUOTA_MANAGER_H_
+#endif  // STORAGE_BROWSER_QUOTA_QUOTA_SETTINGS_H_