Fix formatting: remove trailing spaces, #endif with comments (> 10 lines)
diff --git a/library/entropy.c b/library/entropy.c
index 238719b..b500491 100644
--- a/library/entropy.c
+++ b/library/entropy.c
@@ -1,7 +1,7 @@
 /*
  *  Entropy accumulator implementation
  *
- *  Copyright (C) 2006-2013, Brainspark B.V.
+ *  Copyright (C) 2006-2014, Brainspark B.V.
  *
  *  This file is part of PolarSSL (http://www.polarssl.org)
  *  Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
@@ -372,4 +372,4 @@
 }
 #endif /* POLARSSL_FS_IO */
 
-#endif
+#endif /* POLARSSL_ENTROPY_C */