Perl: prototyping behavior explicitly specified.

When prototyping behavior is not explicitly specified, xsubpp emits
a message to stderr asking to do so (see ticket #608).

src/http/modules/perl/nginx.xs

diff --git a/src/http/modules/perl/nginx.xs b/src/http/modules/perl/nginx.xs
index ae85845..6716620 100644
--- a/src/http/modules/perl/nginx.xs
+++ b/src/http/modules/perl/nginx.xs
@@ -98,6 +98,9 @@
 MODULE = nginx    PACKAGE = nginx
 
 
+PROTOTYPES: DISABLE
+
+
 void
 status(r, code)
     CODE: