Index: xc/programs/xdm/auth.c
===================================================================
RCS file: /cvs/xorg/xc/programs/xdm/auth.c,v
retrieving revision 1.3
diff -u -r1.3 auth.c
--- xc/programs/xdm/auth.c	5 Jul 2005 18:52:33 -0000	1.3
+++ xc/programs/xdm/auth.c	26 Jul 2005 21:17:47 -0000
@@ -89,6 +89,8 @@
 #include <net/if.h>
 #endif /* __GNU__ */
 
+#include <netinet/in.h>
+
 /* Solaris provides an extended interface SIOCGLIFCONF.  Other systems
  * may have this as well, but the code has only been tested on Solaris
  * so far, so we only enable it there.  Other platforms may be added as