Accidentally changed a data file during the whitespace cleanup

llvm-svn: 111845
diff --git a/libcxx/test/input.output/file.streams/fstreams/filebuf.virtuals/underflow.dat b/libcxx/test/input.output/file.streams/fstreams/filebuf.virtuals/underflow.dat
index 28d1445..e2e107a 100644
--- a/libcxx/test/input.output/file.streams/fstreams/filebuf.virtuals/underflow.dat
+++ b/libcxx/test/input.output/file.streams/fstreams/filebuf.virtuals/underflow.dat
@@ -1 +1 @@
-123456789
+123456789
\ No newline at end of file