Merge pull request #3 from marten-seemann/fix-threshold-off-by-one-error

fix off-by-one error in the threshold

p2p/net/upgrader/threshold.go

@@ -43,7 +43,7 @@ func (t *threshold) Release() {
 // Wait waits for the counter to drop below the threshold
 func (t *threshold) Wait() {
 	t.mu.Lock()
-	for t.count > t.threshold {
+	for t.count >= t.threshold {
 		t.cond.Wait()
 	}
 	t.mu.Unlock()