Docs: Various docblock corrections.

See #32246


git-svn-id: https://develop.svn.wordpress.org/trunk@36250 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/class-wp-image-editor.php

@@ -21,6 +21,8 @@ abstract class WP_Image_Editor {
 
 	/**
 	 * Each instance handles a single file.
+	 *
+	 * @param string $file Path to the file to load.
 	 */
 	public function __construct( $file ) {
 		$this->file = $file;