[go/en] disambiguate "close" in learnDefer() (#5038)

go.html.markdown

@@ -323,7 +323,7 @@ func learnDefer() (ok bool) {
 	defer fmt.Println("deferred statements execute in reverse (LIFO) order.")
 	defer fmt.Println("\nThis line is being printed first because")
 	// Defer is commonly used to close a file, so the function closing the
-	// file stays close to the function opening the file.
+	// file stays near the function opening the file.
 	return true
 }