const: constify remaining file_operations

[akpm@linux-foundation.org: fix KVM]
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/char/xilinx_hwicap/xilinx_hwicap.c

@@ -559,7 +559,7 @@ static int hwicap_release(struct inode *inode, struct file *file)
 	return status;
 }
 
-static struct file_operations hwicap_fops = {
+static const struct file_operations hwicap_fops = {
 	.owner = THIS_MODULE,
 	.write = hwicap_write,
 	.read = hwicap_read,