Pings/Trackbacks: Use correct variable in a `foreach()` loop in `do_all_pings()`.

Props itowhid06.
Fixes #48094. See #36824.
Built from https://develop.svn.wordpress.org/trunk@46292


git-svn-id: http://core.svn.wordpress.org/trunk@46104 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/comment.php

@@ -2679,7 +2679,7 @@ function do_all_pings() {
 		)
 	);
 
-	foreach ( $enclosure as $enclosure ) {
+	foreach ( $enclosures as $enclosure ) {
 		delete_post_meta( $enclosure, '_encloseme' );
 		do_enclose( null, $enclosure->ID );
 	}

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.3-beta1-46291';
+$wp_version = '5.3-beta1-46292';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.