icom.c put one more satmode call in a RIG_FUNC_SATMODE clause

https://github.com/Hamlib/Hamlib/issues/288

rigs/icom/icom.c

@@ -756,7 +756,9 @@ icom_rig_open(RIG *rig)
         }
     }
 
-    // retval is important here so we always call for satmode
+    if (rig->caps->has_get_func & RIG_FUNC_SATMODE)
+    {
+        // retval is important here -- used below
         retval = rig_get_func(rig, RIG_VFO_CURR, RIG_FUNC_SATMODE, &satmode);
         rig->state.cache.satmode = satmode;
         rig_debug(RIG_DEBUG_VERBOSE, "%s: satmode=%d\n", __func__, satmode);
@@ -773,6 +775,7 @@ icom_rig_open(RIG *rig)
             priv->rx_vfo = RIG_VFO_MAIN;
             priv->tx_vfo = RIG_VFO_MAIN;
         }
+    }
 
 #if 0 // do not do this here -- needs to be done when ranges are requested instead as this is very slow
     icom_get_freq_range(rig); // try get to get rig range capability dyamically