elm entry - fix CID 1194480 in coverity
elm entry - fix CID 1194480 in coverity

if sd->append_text_left was still set, free it - in case it was and
idler was not set.

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