fsverity_uapi.h: update to latest version (from v4 patchset)

No functional changes.

Signed-off-by: Eric Biggers <ebiggers@google.com>
diff --git a/fsverity_uapi.h b/fsverity_uapi.h
index c4bbeb3..da0daf6 100644
--- a/fsverity_uapi.h
+++ b/fsverity_uapi.h
@@ -1,6 +1,9 @@
 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
 /*
- * fs-verity (file-based verity) support
+ * fs-verity user API
+ *
+ * These ioctls can be used on filesystems that support fs-verity.  See the
+ * "User API" section of Documentation/filesystems/fsverity.rst.
  *
  * Copyright 2019 Google LLC
  */
@@ -31,7 +34,7 @@
 	__u8 digest[];
 };
 
-#define FS_IOC_ENABLE_VERITY		_IOW('f', 133, struct fsverity_enable_arg)
-#define FS_IOC_MEASURE_VERITY		_IOWR('f', 134, struct fsverity_digest)
+#define FS_IOC_ENABLE_VERITY	_IOW('f', 133, struct fsverity_enable_arg)
+#define FS_IOC_MEASURE_VERITY	_IOWR('f', 134, struct fsverity_digest)
 
 #endif /* _UAPI_LINUX_FSVERITY_H */