progs: Get more samples building on windows.
diff --git a/progs/SConscript b/progs/SConscript
index ffb6de4..631923a 100644
--- a/progs/SConscript
+++ b/progs/SConscript
@@ -1,4 +1,5 @@
 SConscript([
+    'util/SConscript',
     'demos/SConscript',
     'trivial/SConscript',
     'vp/SConscript',