V4L/DVB (6285): Remove pointless kmalloc() return value cast in Zoran PCI controller driver

No need to cast the void pointer returned by kmalloc() in
drivers/media/video/zoran_driver.c::v4l_fbuffer_alloc().

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/zoran_driver.c

@@ -339,10 +339,7 @@ v4l_fbuffer_alloc (struct file *file)
 		if (fh->v4l_buffers.buffer_size <= MAX_KMALLOC_MEM) {
 			/* Use kmalloc */
 
-			mem =
-			    (unsigned char *) kmalloc(fh->v4l_buffers.
-						      buffer_size,
-						      GFP_KERNEL);
+			mem = kmalloc(fh->v4l_buffers.buffer_size, GFP_KERNEL);
 			if (mem == 0) {
 				dprintk(1,
 					KERN_ERR