Added missing extern

diff --git a/src/include/gpxe/resolv.h b/src/include/gpxe/resolv.h
index 772460d..7c1ee6e 100644 (file)
--- a/src/include/gpxe/resolv.h
+++ b/src/include/gpxe/resolv.h
@@ -158,7 +158,7 @@ extern void resolv_done ( struct resolv_interface *resolv,
 extern void ignore_resolv_done ( struct resolv_interface *resolv,
                          struct sockaddr *sa, int rc );
 extern struct resolv_interface_operations null_resolv_ops;
-struct resolv_interface null_resolv;
+extern struct resolv_interface null_resolv;
 
 extern int resolv ( struct resolv_interface *resolv, const char *name,
                    struct sockaddr *sa );