Index: http.php
===================================================================
--- http.php	(revision 11143)
+++ http.php	(working copy)
@@ -282,9 +282,9 @@
 		} else {
 			if ( is_array( $r['body'] ) || is_object( $r['body'] ) ) {
 				if ( ! version_compare(phpversion(), '5.1.2', '>=') ) 
-					$r['body'] = _http_build_query($r['body'], null, '&');
+					$r['body'] = _http_build_query($r['body'], null, '&');
 				else
-					$r['body'] = http_build_query($r['body'], null, '&');
+					$r['body'] = http_build_query($r['body'], null, '&');
 				$r['headers']['Content-Type'] = 'application/x-www-form-urlencoded; charset=' . get_option('blog_charset');
 				$r['headers']['Content-Length'] = strlen($r['body']);
 			}