The << and >> operators need space on each side.

Cc: Stefano Brivio <stefano.brivio@polimi.it>
Signed-off-by: NReinette Chatre <reinette.chatre@intel.com>
Acked-by: NTomas Winkler <tomas.winkler@intel.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>