commit fa02d23111821a3e2949c6c7f646e064f3b71e1f
Author: Henrik Nordstrom <henrik@henriknordstrom.net>
Date:   Sat Aug 6 13:43:11 2011 +0200

    Avoid reuse after free when closing X11 channels

diff --git a/example/x11.c b/example/x11.c
index 650d0b4..05e316f 100644
--- a/example/x11.c
+++ b/example/x11.c
@@ -408,14 +408,16 @@ main (int argc, char *argv[])
             current_node = NULL;
 
         while (current_node != NULL) {
+            struct chan_X11_list *next_node;
             rc = x11_send_receive(current_node->chan, current_node->sock);
+            next_node = current_node->next;
             if (rc == -1){
                 shutdown(current_node->sock,SHUT_RDWR);
                 close(current_node->sock);
                 remove_node(current_node);
-
             }
-            current_node = current_node->next;
+
+            current_node = next_node;
         }