xfs: constify xfs_errortag_random_default

This table is never modified, so mark it const.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Carlos Maiolino <cem@kernel.org>

Author: Christoph Hellwig

fs/xfs/xfs_error.c

@@ -19,7 +19,7 @@
 #define XFS_ERRTAG(_tag, _name, _default) \
 	[XFS_ERRTAG_##_tag]	= (_default),
 #include "xfs_errortag.h"
-static unsigned int xfs_errortag_random_default[] = { XFS_ERRTAGS };
+static const unsigned int xfs_errortag_random_default[] = { XFS_ERRTAGS };
 #undef XFS_ERRTAG
 
 struct xfs_errortag_attr {