Fix kenwood split status

https://github.com/Hamlib/Hamlib/issues/1072

rigs/kenwood/kenwood.c

@@ -1722,7 +1722,7 @@ int kenwood_get_vfo_if(RIG *rig, vfo_t *vfo)
         *vfo = rig->state.rx_vfo = rig->state.tx_vfo = priv->tx_vfo =
                                        split_and_transmitting ? RIG_VFO_B : RIG_VFO_A;
 
-        if (priv->info[32] == '1') { priv->tx_vfo = RIG_VFO_B; }
+        if (priv->info[32] == '1') { priv->tx_vfo = rig->state.tx_vfo = RIG_VFO_B; }
 
         break;
 

rigs/kenwood/kenwood.h

@@ -28,7 +28,7 @@
 #include "token.h"
 #include "misc.h"
 
-#define BACKEND_VER "20220619"
+#define BACKEND_VER "20220705"
 
 #define EOM_KEN ';'
 #define EOM_TH '\r'

src/rig.c

@@ -3857,7 +3857,7 @@ int HAMLIB_API rig_set_split_freq(RIG *rig, vfo_t vfo, freq_t tx_freq)
     }
     else
     {
-        tx_vfo = vfo;
+        tx_vfo = vfo_fixup(rig, vfo, rig->state.cache.split);
     }
 
     rig_get_freq(rig, tx_vfo, &tfreq);