media: staging: media: zoran: Fixes a checkpatch.pl error in videocodec.c

ERROR: do not initialise statics to NULL
Signed-off-by: claudiojpaz <claudiojpaz@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/staging/media/zoran/videocodec.c

@@ -63,7 +63,7 @@ struct codec_list {
 	struct codec_list *next;
 };
 
-static struct codec_list *codeclist_top = NULL;
+static struct codec_list *codeclist_top;
 
 /* ================================================= */
 /* function prototypes of the master/slave interface */