[mpi_enc_test][mpi_dec_test]: close slt verify file

Change-Id: Id303202846e9e415b0837e73115ce3c93503e608
Signed-off-by: Hongjin Li <vic.hong@rock-chips.com>

test/mpi_dec_test.c

@@ -721,6 +721,11 @@ MPP_TEST_OUT:
         data.fp_output = NULL;
     }
 
+    if (data.fp_verify) {
+        fclose(data.fp_verify);
+        data.fp_verify = NULL;
+    }
+
     if (cfg) {
         mpp_dec_cfg_deinit(cfg);
         cfg = NULL;