nginx-0.3.21-RELEASE import

    *) Feature: the ngx_http_perl_module.

    *) Change: the "valid_referers" directive allows the referreres without
       URI part.
diff --git a/auto/lib/conf b/auto/lib/conf
index 70053b5..62d6029 100644
--- a/auto/lib/conf
+++ b/auto/lib/conf
@@ -26,3 +26,7 @@
 if [ $USE_ZLIB = YES ]; then
     . auto/lib/zlib/conf
 fi
+
+if [ $USE_PERL = YES ]; then
+    . auto/lib/perl/conf
+fi