Update logic to suppress bogus set freq error

src/rig.c

@@ -1616,7 +1616,7 @@ int HAMLIB_API rig_set_freq(RIG *rig, vfo_t vfo, freq_t freq)
         }
         while (tfreq != freq && retry-- > 0);
 
-        if (retry == 0)
+        if (retry == 0 && tfreq != freq)
         {
             rig_debug(RIG_DEBUG_ERR, "%s: unable to set frequency!!, asked for %.0f, got %.0f\n", __func__, freq, tfreq);
         }