Docs: Typo correction in `validate_file()` comments.

See #53399.

Built from https://develop.svn.wordpress.org/trunk@52416


git-svn-id: http://core.svn.wordpress.org/trunk@52008 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/functions.php

@@ -5900,7 +5900,7 @@ function validate_file( $file, $allowed_files = array() ) {
 		return 1;
 	}
 
-	// More than one occurence of `../` is not allowed:
+	// More than one occurrence of `../` is not allowed:
 	if ( preg_match_all( '#\.\./#', $file, $matches, PREG_SET_ORDER ) && ( count( $matches ) > 1 ) ) {
 		return 1;
 	}

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.9-beta4-52415';
+$wp_version = '5.9-beta4-52416';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.