fix errno usage.

wm/afterstep/distinfo

@@ -1,5 +1,6 @@
-$NetBSD: distinfo,v 1.9 2005/07/28 10:25:14 adam Exp $
+$NetBSD: distinfo,v 1.10 2005/12/06 13:14:06 joerg Exp $
 
 SHA1 (AfterStep-2.1.2.tar.bz2) = c367e7c73561ddf03b3725f80d2f39f50d2b45bd
 RMD160 (AfterStep-2.1.2.tar.bz2) = f891ded642b9190bd261f3e3f92cb595da2d785b
 Size (AfterStep-2.1.2.tar.bz2) = 5079333 bytes
+SHA1 (patch-aa) = c903ca64b609e4270ead1f1e03cb6ea962b294f8

wm/afterstep/patches/patch-aa

@@ -0,0 +1,28 @@
+$NetBSD: patch-aa,v 1.5 2005/12/06 13:14:06 joerg Exp $
+
+--- src/afterstep/module.c.orig	2005-12-06 12:58:56.000000000 +0000
++++ src/afterstep/module.c
+@@ -33,6 +33,7 @@
+ 
+ #include <signal.h>
+ #include <stdarg.h>
++#include <errno.h>
+ #include <fcntl.h>
+ #include <unistd.h>
+ #include <sys/file.h>
+@@ -380,7 +381,6 @@ LOCAL_DEBUG_OUT( "deleting buffer %p sen
+ int
+ FlushQueue (module_t *module)
+ {
+-	extern int    errno;
+     int           fd;
+     register struct queue_buff_struct *curr;
+ 
+@@ -471,7 +471,6 @@ FlushAllQueues()
+ 
+ 
+ 
+-#include <sys/errno.h>
+ static inline int
+ PositiveWrite (unsigned int channel, send_data_type *ptr, int size)
+ {