[XFS] xfs_bmap_adjacent() never returns an error.
[XFS] xfs_bmap_adjacent() never returns an error.

Mark it void.

SGI-PV: 980084
SGI-Modid: xfs-linux-melb:xfs-kern:30798a

Signed-off-by: David Chinner <d2f98f0f27147ca85564d32aa37577d3673e6910@sgi.com>
Signed-off-by: Niv Sardi <f614dcc26eff58137ed1b21c6509143c66dce713@sgi.com>
Signed-off-by: Lachlan McIlroy <f5e96ceb240f4c6b121fe0445b266d7666b5fe0e@sgi.com>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs