certificate handler: fixup return code

Map a certificate install fail to a 400. This is likely due to an
invalid certificate.

Change-Id: Ie451aa356e4a708889aa7475f10a1c122253e859
Signed-off-by: Deepak Kodihalli <dkodihal@in.ibm.com>
1 file changed
tree: c889060a64c99b8391c56bc749a184236e095e03
  1. module/
  2. servers/
  3. LICENSE
  4. MAINTAINERS
  5. setup.cfg