Fix incorrect comment (#9598)

Liyixin95 · normanmaurer · commit 86ff76a4f776 · 2019-09-24T10:00:55.000+02:00
Motivation:

The comment is incorrect and so missleading

Modification:

Correct the comment

Result:

Correct comment in code
diff --git a/codec-http/src/main/java/io/netty/handler/codec/http/QueryStringEncoder.java b/codec-http/src/main/java/io/netty/handler/codec/http/QueryStringEncoder.java
@@ -219,7 +219,7 @@ private static char forDigit(int digit) {
      * unreserved characters do not need to be encoded, and include uppercase and lowercase
      * letters, decimal digits, hyphen, period, underscore, and tilde.
      * <p>
-     * unreserved  = ALPHA / DIGIT / "-" / "." / "_" / "~"
+     * unreserved  = ALPHA / DIGIT / "-" / "_" / "." / "*"
      *
      * @param ch the char to be judged whether it need to be encode
      * @return true or false

Original file line number	Diff line number	Diff line change
`@@ -219,7 +219,7 @@ private static char forDigit(int digit) {`
`219`	`219`	`* unreserved characters do not need to be encoded, and include uppercase and lowercase`
`220`	`220`	`* letters, decimal digits, hyphen, period, underscore, and tilde.`
`221`	`221`	`* <p>`
`222`		`- * unreserved = ALPHA / DIGIT / "-" / "." / "_" / "~"`
	`222`	`+ * unreserved = ALPHA / DIGIT / "-" / "_" / "." / "*"`
`223`	`223`	`*`
`224`	`224`	`* @param ch the char to be judged whether it need to be encode`
`225`	`225`	`* @return true or false`