f change min valud as we always decay after adding, so min is 31*31

Author: TheBlueMatt

lightning/src/routing/scoring.rs

@@ -834,7 +834,7 @@ impl<L: Deref<Target = u64>, BRT: Deref<Target = HistoricalBucketRangeTracker>,
 					if max_bucket.checked_shr(decays).unwrap_or(0) > 0 { is_fully_decayed = false; }
 				}
 			}
-			if total_valid_points_tracked.checked_shr(decays).unwrap_or(0) < 32*32 || is_fully_decayed {
+			if total_valid_points_tracked.checked_shr(decays).unwrap_or(0) < 31*31 || is_fully_decayed {
 				// If we don't have any valid points (or, once decayed, we have less than a full
 				// point), redo the non-historical calculation with no liquidity bounds tracked and
 				// the historical penalty multipliers.