security: Silence shadow warning

Renaming an unused formal parameter in the static inline function
security_inode_init_security eliminates many W=2 warnings.

Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>

include/linux/security.h

@@ -2108,7 +2108,7 @@ static inline int security_dentry_init_security(struct dentry *dentry,
 static inline int security_inode_init_security(struct inode *inode,
 						struct inode *dir,
 						const struct qstr *qstr,
-						const initxattrs initxattrs,
+						const initxattrs xattrs,
 						void *fs_data)
 {
 	return 0;