Fix IC7800 to use get_freq instead of 0x18 command since it cannot read power status

rigs/icom/icom.c

@@ -8197,7 +8197,7 @@ int icom_get_powerstat(RIG *rig, powerstat_t *status)
                   RIG_POWER_ON : RIG_POWER_OFF;
     }
 
-    if (rig->caps->rig_model == RIG_MODEL_IC7300)
+    if (rig->caps->rig_model == RIG_MODEL_IC7300 || rig->caps->rig_model == RIG_MODEL_IC7800) 
     {
         freq_t freq;
         int retrysave = rig->caps->retry;

rigs/icom/icom.h

@@ -35,7 +35,7 @@
 #include <sys/time.h>
 #endif
 
-#define BACKEND_VER "20230517"
+#define BACKEND_VER "20230518"
 
 #define ICOM_IS_ID31 rig_is_model(rig, RIG_MODEL_ID31)
 #define ICOM_IS_ID51 rig_is_model(rig, RIG_MODEL_ID51)