Fix mem leak in search function:  - When searching always free the clean_file if it exists, its just used at    search time.
Fix mem leak in search function:
 - When searching always free the clean_file if it exists, its just used at
   search time.


SVN revision: 20526

tizenorg/platform.upstream.enlightenment,rvandegrift/e,rvandegrift/e,FlorentRevest/Enlightenment,tasn/enlightenment,tizenorg/platform.upstream.enlightenment,tasn/enlightenment,tizenorg/platform.upstream.enlightenment,rvandegrift/e,tasn/enlightenment,FlorentRevest/Enlightenment,FlorentRevest/Enlightenment