$NetBSD: patch-aa,v 1.4 2015/02/05 15:46:57 taca Exp $

Remove legacy errno declaration.

--- ext/fcgi/fcgi.c.orig	2015-01-19 12:50:20.000000000 +0000
+++ ext/fcgi/fcgi.c
@@ -223,7 +223,6 @@ static VALUE fcgi_finish(VALUE self)
 
 #define CHECK_STREAM_ERROR(stream) {\
   int err = FCGX_GetError(stream);\
-	extern int errno; \
   if (err) {\
     if (err > 0) {\
       rb_raise(eFCGIStreamError, "unknown error (syscall error)");\