Fix x86 and x86_64 build errors

Fix x86 and x86_64 build errors

1) fix linux x86 cross compile error
2) fix android x86_64 build error

Change-Id: I07f8f821b596712766f9f7330020a22e23e4b66a
Signed-off-by: Caiwen Zhang<caiwen.zhang@intel.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/642
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Sashi Penta <sashi.kumar.penta@intel.com>
Reviewed-by: Erich Keane <erich.keane@intel.com>