Remove trailing whitespace for the entire source tree

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
diff --git a/lib/ext2fs/irel.h b/lib/ext2fs/irel.h
index 9b943ce..45e031b 100644
--- a/lib/ext2fs/irel.h
+++ b/lib/ext2fs/irel.h
@@ -1,6 +1,6 @@
 /*
  * irel.h
- * 
+ *
  * Copyright (C) 1996, 1997 Theodore Ts'o.
  *
  * %Begin-Header%