Staging: skein: Remove multiple blank lines

Remove multiple blank lines. Problem found using checkpatch.pl
CHECK: Please don't use multiple blank lines.
Signed-off-by: Aybuke Ozdemir <aybuke.147@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/skein/skein_generic.c

@@ -20,7 +20,6 @@
 #include <crypto/internal/hash.h>
 #include "skein_base.h"
 
-
 static int skein256_init(struct shash_desc *desc)
 {
 	return skein_256_init((struct skein_256_ctx *) shash_desc_ctx(desc),