uthor Nathan Scott 1144732245 +1000 committer Nathan Scott 1144732245 +1000 [XFS] Fix superblock validation regression for the zero imaxpct case. Thanks to kjamieson for noticing. SGI-PV: 951661 SGI-Modid: xfs-linux-melb:xfs-kern:25675a Signed-off-by: Nathan Scott ½W…