[BUG] timeout.check was not pre-set to eternity

If timeout.check was not set, check were using 0 as the timeout, causing
odd behaviours.
diff --git a/include/types/proxy.h b/include/types/proxy.h
index dd4f00f..a2238cb 100644
--- a/include/types/proxy.h
+++ b/include/types/proxy.h
@@ -2,7 +2,7 @@
   include/types/proxy.h
   This file defines everything related to proxies.
 
-  Copyright (C) 2000-2007 Willy Tarreau - w@1wt.eu
+  Copyright (C) 2000-2008 Willy Tarreau - w@1wt.eu
   
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
@@ -170,7 +170,7 @@
 	char *monitor_uri;			/* a special URI to which we respond with HTTP/200 OK */
 	int monitor_uri_len;			/* length of the string above. 0 if unused */
 	struct list mon_fail_cond;              /* list of conditions to fail monitoring requests (chained) */
-	struct {
+	struct {				/* WARNING! check proxy_reset_timeouts() in proxy.h !!! */
 		struct timeval client;		/* client I/O timeout (in milliseconds) */
 		struct timeval tarpit;          /* tarpit timeout, defaults to connect if unspecified */
 		struct timeval queue;           /* queue timeout, defaults to connect if unspecified */