Fixed Error return value of ... is not checked (errcheck)

collectors/ipmiMetric.go

@@ -43,7 +43,9 @@ func (m *IpmiCollector) Init(config json.RawMessage) error {
 	}
 
 	m.name = "IpmiCollector"
-	m.setup()
+	if err := m.setup(); err != nil {
+		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
+	}
 	m.parallel = true
 	m.meta = map[string]string{
 		"source": m.name,