progs: Add util to cpp path.
diff --git a/progs/fp/SConscript b/progs/fp/SConscript
index e31fa32..5537997 100644
--- a/progs/fp/SConscript
+++ b/progs/fp/SConscript
@@ -5,6 +5,10 @@
 
 env = env.Clone()
 
+env.Prepend(CPPPATH = [
+	'../util',
+])
+
 env.Prepend(LIBS = ['$GLUT_LIB'])
 
 env.Program(