[MEDIUM] reverse internal proxy declaration order to match configuration

People are regularly complaining that proxies are linked in reverse
order when reading the stats. This is now definitely fixed because
the proxy order is now fixed to match configuration order.

src/cfgparse.c

@@ -3096,6 +3096,19 @@ int readcfgfile(const char *file)
 	/* will be needed further to delay some tasks */
 	tv_update_date(0,1);
 
+	/* first, we will invert the proxy list order */
+	curproxy = NULL;
+	while (proxy) {
+		struct proxy *next;
+
+		next = proxy->next;
+		proxy->next = curproxy;
+		curproxy = proxy;
+		if (!next)
+			break;
+		proxy = next;
+	}
+
 	if ((curproxy = proxy) == NULL) {
 		Alert("parsing %s : no <listen> line. Nothing to do !\n",
 		      file);