WP_HTTP: ensure that the temporary file is created within the temporary directly when `stream` is specified without a `filename` parameter.

Fixes #32549

Built from https://develop.svn.wordpress.org/trunk@32712


git-svn-id: http://core.svn.wordpress.org/trunk@32682 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/class-http.php

@@ -213,7 +213,7 @@ class WP_Http {
 		 * and pick its name using the basename of the $url.
 		 */
 		if ( $r['stream']  && empty( $r['filename'] ) ) {
-			$r['filename'] = wp_unique_filename( get_temp_dir(), basename( $url ) );
+			$r['filename'] = get_temp_dir() . wp_unique_filename( get_temp_dir(), basename( $url ) );
 		}
 
 		/*

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.3-alpha-32711';
+$wp_version = '4.3-alpha-32712';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.