fix shelf crash from ticket #1635
fix shelf crash from ticket #1635


SVN revision: 78152

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