whitespace cleanup

diff --git a/testsuite/mount.testroot b/testsuite/mount.testroot
index 4ab6b94..e18d046 100755
--- a/testsuite/mount.testroot
+++ b/testsuite/mount.testroot
@@ -86,7 +86,7 @@
 
 # Fun with mount -a
 
-testing "mount -a no fstab" "mount -a 2>/dev/null || echo yes" "yes\n" "" "" 
+testing "mount -a no fstab" "mount -a 2>/dev/null || echo yes" "yes\n" "" ""
 
 umount /proc