Fix newcat.c set_cmd_validate to return RIG_OK when succesful

https://github.com/Hamlib/Hamlib/issues/591

rigs/yaesu/newcat.c

@@ -9814,7 +9814,9 @@ int newcat_set_cmd(RIG *rig)
 
         if (rc == RIG_OK)
         {
+            // if we were able to set and and validate we're done
             rig_debug(RIG_DEBUG_TRACE, "%s: cmd_validate OK\n", __func__);
+            RETURNFUNC(RIG_OK);
         }
         else if (rc == -RIG_EPROTO)
         {

rigs/yaesu/newcat.h

@@ -50,7 +50,7 @@
 typedef char ncboolean;
 
 /* shared function version */
-#define NEWCAT_VER "20210307"
+#define NEWCAT_VER "20210308"
 
 /* Hopefully large enough for future use, 128 chars plus '\0' */
 #define NEWCAT_DATA_LEN                 129