Limit collision_retry to 2 times in icom's frame.c

rigs/icom/frame.c

@@ -329,12 +329,15 @@ again2:
     // https://github.com/Hamlib/Hamlib/issues/1575
     // these types of async can interrupt the cmd we sent
     // if our host number changes must not be for us
+    collision_retry = 0;
     if (sendbuf[3] != buf[2])
     {
         rig_debug(RIG_DEBUG_VERBOSE, "%s: unknown async?  read again\n", __func__);
         hl_usleep(100);
         rig_flush(rp);
-        goto collision_retry;
+        collision_retry++;
+        if (collision_retry < 2)
+            goto collision_retry;
     }
 
 

rigs/icom/icom.h

@@ -35,7 +35,7 @@
 #include <sys/time.h>
 #endif
 
-#define BACKEND_VER "20240823"
+#define BACKEND_VER "20240831"
 
 #define ICOM_IS_ID31 rig_is_model(rig, RIG_MODEL_ID31)
 #define ICOM_IS_ID51 rig_is_model(rig, RIG_MODEL_ID51)