Fix minor style issue.

This was identified in CL:39304, but not corrected before landing.

BUG=None
TEST=bash -n build_packages

Change-Id: I17cefc883e191d33a3569d7f53ab2e0a85417da9
Reviewed-on: https://gerrit.chromium.org/gerrit/39753
Commit-Ready: Brian Harring <ferringb@chromium.org>
Reviewed-by: Brian Harring <ferringb@chromium.org>
Tested-by: Brian Harring <ferringb@chromium.org>
1 file changed