fix efm icon loading for cases where the theme does not define mime icons
fix efm icon loading for cases where the theme does not define mime icons


SVN revision: 74861

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