Fix crash with hook_process (when timer is called on a deleted hook process)

ChangeLog

@@ -1,7 +1,7 @@
 WeeChat ChangeLog
 =================
 FlashCode <flashcode@flashtux.org>
-v0.3.3-dev, 2010-04-28
+v0.3.3-dev, 2010-05-01
 
 
 Version 0.3.3 (under dev!)
@@ -9,6 +9,8 @@ Version 0.3.3 (under dev!)
 
 * core: add keys for undo/redo changes on command line
   (default: ctrl/alt + underscore) (task #9483)
+* core: fix crash with hook_process (when timer is called on a deleted hook
+  process)
 * irc: add new options irc.network.autoreconnect_delay_growing and
   irc.network.autoreconnect_delay_max (task #10338)
 * irc: add new option irc.color.item_buffer_name_ssl (task #10339)

src/core/wee-hook.c

@@ -1290,6 +1290,9 @@ hook_process_child_read (struct t_hook *hook_process, int fd,
     char buffer[4096];
     int num_read;
     
+    if (hook_process->deleted)
+        return;
+    
     num_read = read (fd, buffer, sizeof (buffer) - 1);
     if (num_read > 0)
     {
@@ -1355,6 +1358,9 @@ hook_process_timer_cb (void *arg_hook_process, int remaining_calls)
     
     hook_process = (struct t_hook *)arg_hook_process;
     
+    if (hook_process->deleted)
+        return WEECHAT_RC_OK;
+    
     if (remaining_calls == 0)
     {
         gui_chat_printf (NULL,