[POWERPC] spufs: Hook up spufs_release_mem

Currently spufs_mem_release and the mem file doesn't have any release
method hooked up, leading to leaks everytime is used.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

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

@@ -217,6 +217,7 @@ unsigned long spufs_get_unmapped_area(struct file *file, unsigned long addr,
 
 static const struct file_operations spufs_mem_fops = {
 	.open	 		= spufs_mem_open,
+	.release 		= spufs_mem_release,
 	.read   		= spufs_mem_read,
 	.write   		= spufs_mem_write,
 	.llseek  		= generic_file_llseek,