elm cnp: fix freeing selection buf
elm cnp: fix freeing selection buf

Moved a misplaced ELM_SAFE_FREE of the selection buffer,
 as valgrind still showed lost bytes with selection.

tasn/elementary,rvandegrift/elementary,tasn/elementary,FlorentRevest/Elementary,FlorentRevest/Elementary,tasn/elementary,tasn/elementary,FlorentRevest/Elementary,FlorentRevest/Elementary,rvandegrift/elementary,rvandegrift/elementary,tasn/elementary,rvandegrift/elementary