Fix kenwood retry attempts

https://github.com/Hamlib/Hamlib/issues/450

rigs/kenwood/kenwood.c

@@ -791,6 +791,7 @@ int kenwood_open(RIG *rig)
         if (RIG_OK != err)
         {
             rig_debug(RIG_DEBUG_ERR, "%s: cannot get f/w version\n", __func__);
+            rig->state.rigport.retry = retry_save;
             return err;
         }
 
@@ -806,6 +807,7 @@ int kenwood_open(RIG *rig)
         else
         {
             rig_debug(RIG_DEBUG_ERR, "%s: cannot get f/w version\n", __func__);
+            rig->state.rigport.retry = retry_save;
             return -RIG_EPROTO;
         }
 
@@ -849,6 +851,7 @@ int kenwood_open(RIG *rig)
     if (strlen(id) < 5)
     {
         rig_debug(RIG_DEBUG_ERR, "%s: unknown id type (%s)\n", __func__, id);
+        rig->state.rigport.retry = retry_save;
         return -RIG_EPROTO;
     }
 
@@ -917,6 +920,7 @@ int kenwood_open(RIG *rig)
                           rig_strvfo(priv->tx_vfo));
             }
 
+            rig->state.rigport.retry = retry_save;
             return RIG_OK;
         }
 

rigs/kenwood/kenwood.h

@@ -27,7 +27,7 @@
 #include <string.h>
 #include "token.h"
 
-#define BACKEND_VER "20201026"
+#define BACKEND_VER "20201126"
 
 #define EOM_KEN ';'
 #define EOM_TH '\r'