Hide visibility warnings

Suppress warning from RHEL5 GCC 4.1 about visibility change.

Change-Id: I41ac9546339f5ca77747c141547122dce1c8b747
Merge branch 'FixVisibilityWarning' into release

* FixVisibilityWarning:
  Hide visibility warnings

Change-Id: I0966a9f98b3db9c9452a6c86421497ce75078b59