Coding Standards: Rename the $headerValue variable to `$header_valu…

…e` in `WP_Http_Streams::request()`.

This fixes a `Variable "$headerValue" is not in valid snake_case format` WPCS warning.

Follow-up to [8516], [51825], [51929], [51940], [52960], [52961], [52962].

Props azouamauriac.
See #54728.

git-svn-id: https://develop.svn.wordpress.org/trunk@52963 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/class-wp-http-streams.php

@@ -230,8 +230,8 @@ public function request( $url, $args = array() ) {
 		}
 
 		if ( is_array( $parsed_args['headers'] ) ) {
-			foreach ( (array) $parsed_args['headers'] as $header => $headerValue ) {
-				$headers .= $header . ': ' . $headerValue . "\r\n";
+			foreach ( (array) $parsed_args['headers'] as $header => $header_value ) {
+				$headers .= $header . ': ' . $header_value . "\r\n";
 			}
 		} else {
 			$headers .= $parsed_args['headers'];