don't die if accesslog file is not set

git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-merge-1.4.x@571 152afb58-edef-0310-8abb-c4023f1b3aa9

src/mod_accesslog.c

@@ -330,8 +330,6 @@ FREE_FUNC(mod_accesslog_free) {
 
 			if (!s) continue;
 			
-			if (!s) continue;
-			
 			if (s->access_logbuffer->used) {
 				if (s->use_syslog) {
 # ifdef HAVE_SYSLOG_H
@@ -796,7 +794,7 @@ REQUESTDONE_FUNC(log_access_write) {
 	BUFFER_APPEND_STRING_CONST(p->conf.access_logbuffer, "\n");
 
 	if (p->conf.use_syslog ||  /* syslog doesn't cache */
-	    (p->conf.access_logfile->ptr[0] != '|') || /* pipes don't cache */
+	    (p->conf.access_logfile->used && p->conf.access_logfile->ptr[0] != '|') || /* pipes don't cache */
 	    newts ||
 	    p->conf.access_logbuffer->used > BUFFER_MAX_REUSE_SIZE) {
 		if (p->conf.use_syslog) {