fs: debugfs: remove trailing whitespace

fixes checkpatch.pl trailing whitespace errors

Signed-off-by: Rahul Bedarkar <rahulbedarkar89@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c
index 6314629..76c08c2 100644
--- a/fs/debugfs/file.c
+++ b/fs/debugfs/file.c
@@ -451,7 +451,7 @@
 {
 	char buf[3];
 	u32 *val = file->private_data;
-	
+
 	if (*val)
 		buf[0] = 'Y';
 	else