tree 1831d9aec2b4a5d9613738743af09e248cfe5c24
parent c2452fce2a7a6246ca2980dc2f29916392165748
author Louis Yung-Chieh Lo <yjlou@chromium.org> 1301623984 +0800
committer Louis Yung-Chieh Lo <yjlou@chromium.org> 1301623984 +0800

fix the crash bug when specifying non-existed option.

Change-Id: I68521b92c1c83bed81746d92fe11d50055843992

R=dhendrix@chromium.org
BUG=No bug id.
TEST=Tested with "vpd --clean", and program didn't segmentation fail.

Review URL: http://codereview.chromium.org/6728023