commit 36d26c9c893fdd826e857f5d94d85a9ce2e56d4e
Author: Joshua Phillips <jp.sittingduck@gmail.com>
Date:   Thu Sep 23 12:31:40 2010 +0100

    Solve memory leak in _xcb_get_auth_info.

diff --git a/src/xcb_auth.c b/src/xcb_auth.c
index 1af27fc..9349783 100644
--- a/src/xcb_auth.c
+++ b/src/xcb_auth.c
@@ -327,7 +327,7 @@ int _xcb_get_auth_info(int fd, xcb_auth_info_t *info, int display)
     if (!info->namelen)
         goto no_auth;   /* out of memory */
 
-    if (!gotsockname && (sockname = get_peer_sock_name(getsockname, fd)) == NULL)
+    if (!gotsockname && (free(sockname), sockname = get_peer_sock_name(getsockname, fd)) == NULL)
     {
         free(info->name);
         goto no_auth;   /* can only authenticate sockets */