remove redundant err!=nil check in conn.go Close method (#505)

tariq1890 · garyburd · commit 6a67f44b6900 · 2019-04-26T23:02:11.000-05:00
diff --git a/conn.go b/conn.go
@@ -708,10 +708,7 @@ func (w *messageWriter) Close() error {
 	if w.err != nil {
 		return w.err
 	}
-	if err := w.flushFrame(true, nil); err != nil {
-		return err
-	}
-	return nil
+	return w.flushFrame(true, nil)
 }
 
 // WritePreparedMessage writes prepared message into connection.

Original file line number	Diff line number	Diff line change
`@@ -708,10 +708,7 @@ func (w *messageWriter) Close() error {`
`708`	`708`	`if w.err != nil {`
`709`	`709`	`return w.err`
`710`	`710`	`}`
`711`		`- if err := w.flushFrame(true, nil); err != nil {`
`712`		`- return err`
`713`		`- }`
`714`		`- return nil`
	`711`	`+ return w.flushFrame(true, nil)`
`715`	`712`	`}`
`716`	`713`
`717`	`714`	`// WritePreparedMessage writes prepared message into connection.`