xfs: actually use the xfs_growfs_check_rtgeom tracepoint

We created a new tracepoint but forgot to put it in.  Fix that.

Cc: rostedt@goodmis.org
Cc: stable@vger.kernel.org # v6.14
Fixes: 59a57acbce ("xfs: check that the rtrmapbt maxlevels doesn't increase when growing fs")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
Reported-by: Steven Rostedt <rostedt@goodmis.org>
Closes: https://lore.kernel.org/all/20250612131021.114e6ec8@batman.local.home/
Signed-off-by: Carlos Maiolino <cem@kernel.org>

fs/xfs/xfs_rtalloc.c

@@ -1259,6 +1259,8 @@ xfs_growfs_check_rtgeom(
 
 	kfree(nmp);
 
+	trace_xfs_growfs_check_rtgeom(mp, min_logfsbs);
+
 	if (min_logfsbs > mp->m_sb.sb_logblocks)
 		return -EINVAL;