Fix cppcheck style

rigs/kenwood/elecraft.c

@@ -362,10 +362,10 @@ int elecraft_close(RIG *rig)
 {
     struct kenwood_priv_data *priv = rig->state.priv;
     char cmd[32];
-    int err;
 
     if (priv->save_k2_ext_lvl >= 0)
     {
+        int err;
         sprintf(cmd, "K2%d;", priv->save_k2_ext_lvl);
         err = kenwood_transaction(rig, cmd, NULL, 0);