Move kenwood get_id before firmware check and only when first get-id fails

https://github.com/Hamlib/Hamlib/issues/230

rigs/kenwood/kenwood.c

@@ -703,9 +703,14 @@ int kenwood_open(RIG *rig)
     {
         // Ensure rig is on
         rig_set_powerstat(rig, 1);
+        /* Try get id again */
+        err = kenwood_get_id(rig, id);
+        if (RIG_OK != err)
+        {
+            rig_debug(RIG_DEBUG_ERR, "%s: no response to get_id from rig...contintuing anyways.\n", __func__);
+        }
     }
 
-
     if (RIG_IS_TS590S)
     {
         /* we need the firmware version for these rigs to deal with f/w defects */
@@ -739,9 +744,6 @@ int kenwood_open(RIG *rig)
                   priv->fw_rev);
     }
 
-    /* get id in buffer, will be null terminated */
-    err = kenwood_get_id(rig, id);
-
     if (!RIG_IS_XG3 && -RIG_ETIMEOUT == err)
     {
         /* Some Kenwood emulations have no ID command response :(

rigs/kenwood/kenwood.h

@@ -27,7 +27,7 @@
 #include <string.h>
 #include "token.h"
 
-#define BACKEND_VER "20200429"
+#define BACKEND_VER "20200501"
 
 #define EOM_KEN ';'
 #define EOM_TH '\r'