Added ``extern int get_default_domain();'' for SGI, to keep gcc -Wall happy.
diff --git a/Modules/nismodule.c b/Modules/nismodule.c
index ab5b9d0..b95b914 100644
--- a/Modules/nismodule.c
+++ b/Modules/nismodule.c
@@ -20,6 +20,11 @@
 #include <rpcsvc/yp_prot.h>
 #include <rpcsvc/ypclnt.h>
 
+#ifdef __sgi
+/* This is missing from rpcsvc/ypclnt.h */
+extern int yp_get_default_domain();
+#endif
+
 static object *NisError;
 
 static object *