fix a bug in example 05_NO_KP_DJ_OC2

Author: mohanchen

tests/03_NAO_multik/05_NO_KP_DJ_OC2/INPUT

@@ -25,7 +25,7 @@ scf_nmax            100
 basis_type          lcao
 ks_solver           scalapack_gvx
 chg_extrap          second-order
-out_dm              0
+out_dmk             0
 out_chg             2  3
 pw_diag_thr         0.00001