udp_queues_linux.go: s/upd/udp/ in two error strings

Signed-off-by: Karsten Weiss <knweiss@gmail.com>

collector/udp_queues_linux.go

@@ -65,7 +65,7 @@ func (c *udpQueuesCollector) Update(ch chan<- prometheus.Metric) error {
 		if errors.Is(errIPv4, os.ErrNotExist) {
 			level.Debug(c.logger).Log("msg", "not collecting ipv4 based metrics")
 		} else {
-			return fmt.Errorf("couldn't get upd queued bytes: %w", errIPv4)
+			return fmt.Errorf("couldn't get udp queued bytes: %w", errIPv4)
 		}
 	}
 
@@ -77,7 +77,7 @@ func (c *udpQueuesCollector) Update(ch chan<- prometheus.Metric) error {
 		if errors.Is(errIPv6, os.ErrNotExist) {
 			level.Debug(c.logger).Log("msg", "not collecting ipv6 based metrics")
 		} else {
-			return fmt.Errorf("couldn't get upd6 queued bytes: %w", errIPv6)
+			return fmt.Errorf("couldn't get udp6 queued bytes: %w", errIPv6)
 		}
 	}