constify chown_common/security_path_chown

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/include/linux/security.h b/include/linux/security.h
index be37cca..f83ca92 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -1456,7 +1456,7 @@
 			 struct path *new_dir, struct dentry *new_dentry,
 			 unsigned int flags);
 int security_path_chmod(struct path *path, umode_t mode);
-int security_path_chown(struct path *path, kuid_t uid, kgid_t gid);
+int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid);
 int security_path_chroot(struct path *path);
 #else	/* CONFIG_SECURITY_PATH */
 static inline int security_path_unlink(struct path *dir, struct dentry *dentry)
@@ -1513,7 +1513,7 @@
 	return 0;
 }
 
-static inline int security_path_chown(struct path *path, kuid_t uid, kgid_t gid)
+static inline int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
 {
 	return 0;
 }