include/linux/security.h: fix security_inode_init_security() arg

Make the security_inode_init_security() initxattrs arg const, to match the
non-stubbed version of that function.

Cc: James Morris <jmorris@namei.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: James Morris <jmorris@namei.org>
diff --git a/include/linux/security.h b/include/linux/security.h
index 19d8e04..051d4e9 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -2044,7 +2044,7 @@
 static inline int security_inode_init_security(struct inode *inode,
 						struct inode *dir,
 						const struct qstr *qstr,
-						initxattrs initxattrs,
+						const initxattrs initxattrs,
 						void *fs_data)
 {
 	return 0;