Remove trailing whitespace.  Update copyright to include 2004.
diff --git a/libbb/read_package_field.c b/libbb/read_package_field.c
index abe8e06..4292689 100644
--- a/libbb/read_package_field.c
+++ b/libbb/read_package_field.c
@@ -2,7 +2,7 @@
 /*
  * Utility routines.
  *
- * Copyright (C) many different people.  
+ * Copyright (C) many different people.
  * If you wrote this, please acknowledge your work.
  *
  * This program is free software; you can redistribute it and/or modify