Fix get_powerstat status return to always show POWER_ON for kenwood non-PS rigs

https://github.com/Hamlib/Hamlib/issues/1213

NEWS

@@ -26,6 +26,7 @@ Version 4.6
 
 Version 4.5.4
         * 2023-XX-XX
+        * Fix get_powerstat status return for non-PS kenwood rigs
         * Fix set_powerstat 0 to reopen with IC-7300 (and others?) on Linux
         * Fix FT-710 usage on 60M
         * Fix timing on NRD-535D

rigs/kenwood/kenwood.c

@@ -4878,6 +4878,7 @@ int kenwood_get_powerstat(RIG *rig, powerstat_t *status)
 
     if (!priv->has_ps)
     {
+        *status = RIG_POWER_ON;
         RETURNFUNC(RIG_OK); // fake the OK return for these rigs
     }
 

rigs/kenwood/kenwood.h

@@ -29,7 +29,7 @@
 #include "misc.h"
 #include "idx_builtin.h"
 
-#define BACKEND_VER "20221230"
+#define BACKEND_VER "20230109"
 
 #define EOM_KEN ';'
 #define EOM_TH '\r'