[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 <dgc@sgi.com>
Signed-off-by: Niv Sardi <xaiki@sgi.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>

fs/xfs/xfs_bmap.c

@@ -2402,7 +2402,7 @@ xfs_bmap_extsize_align(
 
 #define XFS_ALLOC_GAP_UNITS	4
 
-STATIC int
+STATIC void
 xfs_bmap_adjacent(
 	xfs_bmalloca_t	*ap)		/* bmap alloc argument struct */
 {
@@ -2548,7 +2548,6 @@ xfs_bmap_adjacent(
 			ap->rval = gotbno;
 	}
 #undef ISVALID
-	return 0;
 }
 
 STATIC int