[POWERPC] spufs: fix support for read/write on cntl

This fixes a memory leak introduced by "spufs: add support
for read/write oncntl", which was missing a call to simple_attr_close.

Signed-off-by: Masato Noguchi <Masato.Noguchi@jp.sony.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

arch/powerpc/platforms/cell/spufs/file.c

@@ -246,6 +246,7 @@ static int spufs_cntl_open(struct inode *inode, struct file *file)
 
 static struct file_operations spufs_cntl_fops = {
 	.open = spufs_cntl_open,
+	.release = simple_attr_close,
 	.read = simple_attr_read,
 	.write = simple_attr_write,
 	.mmap = spufs_cntl_mmap,