Media: Update the `@since` tag for `wp_normalize_path()` as this has been backported to th 3.9 (and all other) branches.

See #42837

Built from https://develop.svn.wordpress.org/trunk@43406


git-svn-id: http://core.svn.wordpress.org/trunk@43234 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/functions.php

@@ -1809,7 +1809,7 @@ function path_join( $base, $path ) {
  * @since 3.9.0
  * @since 4.4.0 Ensures upper-case drive letters on Windows systems.
  * @since 4.5.0 Allows for Windows network shares.
- * @since 5.0.0 Allows for PHP file wrappers.
+ * @since 4.9.7 Allows for PHP file wrappers.
  *
  * @param string $path Path to normalize.
  * @return string Normalized path.

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.0-alpha-43392';
+$wp_version = '5.0-alpha-43406';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.