Fix retries in newcat.c

https://github.com/Hamlib/Hamlib/issues/463

rigs/yaesu/newcat.c

@@ -8963,6 +8963,7 @@ int newcat_get_cmd(RIG *rig)
                       __func__, priv->ret_data);
             // we were using BUSBUSY but microham devices need retries
             //rc = -RIG_BUSBUSY;    /* don't write command again */
+            rc = -RIG_EPROTO;
             /* we could decrement retry_count
                here but there is a danger of
                infinite looping so we just use up
@@ -9038,6 +9039,7 @@ int newcat_get_cmd(RIG *rig)
             // we were using BUSBUSY but microham devices need retries
             // this should be OK under all other circumstances too
             //rc = -RIG_BUSBUSY;    /* retry read only */
+            rc = -RIG_EPROTO;
         }
     }
 

rigs/yaesu/newcat.h

@@ -50,7 +50,7 @@
 typedef char ncboolean;
 
 /* shared function version */
-#define NEWCAT_VER "20201209"
+#define NEWCAT_VER "20201211"
 
 /* Hopefully large enough for future use, 128 chars plus '\0' */
 #define NEWCAT_DATA_LEN                 129