diff --git a/test/input.output/file.streams/fstreams/filebuf.virtuals/underflow.dat b/test/input.output/file.streams/fstreams/filebuf.virtuals/underflow.dat
index 28d14454..e2e107ac 100644
--- a/test/input.output/file.streams/fstreams/filebuf.virtuals/underflow.dat
+++ b/test/input.output/file.streams/fstreams/filebuf.virtuals/underflow.dat
@@ -1 +1 @@
-123456789
+123456789
\ No newline at end of file