Fix segfault in icom.c when range_list is NULL

rigs/icom/icom.c

@@ -8885,6 +8885,7 @@ int icom_power2mW(RIG *rig, unsigned int *mwpower, float power, freq_t freq,
     if (range_list == NULL)
     {
         *mwpower = power * 100000; // default to 100W if no range_list
+        RETURNFUNC (RIG_OK);
     }
     rig_debug(RIG_DEBUG_VERBOSE, "%s: maxpower=%d\n", __func__, range_list->high_power);
 

rigs/icom/icom.h

@@ -35,7 +35,7 @@
 #include <sys/time.h>
 #endif
 
-#define BACKEND_VER "20241025"
+#define BACKEND_VER "20241030"
 
 #define ICOM_IS_ID31 rig_is_model(rig, RIG_MODEL_ID31)
 #define ICOM_IS_ID51 rig_is_model(rig, RIG_MODEL_ID51)