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/make b/auto/lib/make
index ef571c5..60cd7bc 100644
--- a/auto/lib/make
+++ b/auto/lib/make
@@ -17,3 +17,7 @@
 if [ $ZLIB != NONE -a $ZLIB != NO -a $ZLIB != YES ]; then
     . auto/lib/zlib/make
 fi
+
+if [ $USE_PERL = YES ]; then
+    . auto/lib/perl/make
+fi