ocfs2/trivial: Remove trailing whitespaces

Patch removes trailing whitespaces.

Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Joel Becker <joel.becker@oracle.com>
diff --git a/fs/ocfs2/dlm/dlmast.c b/fs/ocfs2/dlm/dlmast.c
index 01cf8cc..dccc439 100644
--- a/fs/ocfs2/dlm/dlmast.c
+++ b/fs/ocfs2/dlm/dlmast.c
@@ -123,7 +123,7 @@
 		dlm_lock_put(lock);
 		/* free up the reserved bast that we are cancelling.
 		 * guaranteed that this will not be the last reserved
-		 * ast because *both* an ast and a bast were reserved 
+		 * ast because *both* an ast and a bast were reserved
 		 * to get to this point.  the res->spinlock will not be
 		 * taken here */
 		dlm_lockres_release_ast(dlm, res);