Generate stub functions directly in assembly.

diff --git a/tools/winebuild/parser.c b/tools/winebuild/parser.c
index 5c3e749..4e166c7 100644
--- a/tools/winebuild/parser.c
+++ b/tools/winebuild/parser.c
@@ -368,6 +368,7 @@
 {
     odp->u.func.arg_types[0] = '\0';
     odp->link_name = xstrdup("");
+    odp->flags |= FLAG_I386;  /* don't bother generating stubs for Winelib */
     return 1;
 }