Remove extra parentheses to pass clang checking. BUG=chromium:219220 TEST=emerge-lumpy flashmap, the error message is gone. Change-Id: I5fe8b5c9f1b6802d2487b57b96e93ba2e4e7c226 Reviewed-on: https://gerrit.chromium.org/gerrit/47368 Reviewed-by: David Hendricks <[email protected]> Commit-Queue: Yunlian Jiang <[email protected]> Tested-by: Yunlian Jiang <[email protected]>