Docs: Correct the docs for `POMO_Reader::setEndian()`.

The parameter type and name where the wrong way around.

Props ishitaka.
Fixes #45410.



git-svn-id: https://develop.svn.wordpress.org/trunk@44614 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/pomo/streams.php

@@ -32,7 +32,7 @@ if ( ! class_exists( 'POMO_Reader', false ) ) :
 		/**
 		 * Sets the endianness of the file.
 		 *
-		 * @param $endian string 'big' or 'little'
+		 * @param string $endian Set the endianness of the file. Accepts 'big', or 'little'.
 		 */
 		function setEndian( $endian ) {
 			$this->endian = $endian;