xfs: fix type usage

Be consistent about using uint32_t/uint8_t instead of u32/u8.  This is
more so that we don't have to maintain /those/ types in xfsprogs.
Signed-off-by: NDarrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: NEric Sandeen <sandeen@redhat.com>

fs/xfs/libxfs/xfs_iext_tree.c

@@ -302,7 +302,7 @@ xfs_iext_rec_cmp(
 	xfs_fileoff_t		offset)
 {
 	uint64_t		rec_offset = rec->lo & XFS_IEXT_STARTOFF_MASK;
-	u32			rec_len = rec->hi & XFS_IEXT_LENGTH_MASK;
+	uint32_t		rec_len = rec->hi & XFS_IEXT_LENGTH_MASK;
 
 	if (rec_offset > offset)
 		return 1;

fs/xfs/libxfs/xfs_log_format.h

@@ -274,7 +274,7 @@ struct xfs_inode_log_format {
 	uint64_t		ilf_ino;	/* inode number */
 	union {
 		uint32_t	ilfu_rdev;	/* rdev value for dev inode*/
-		u8		__pad[16];	/* unused */
+		uint8_t		__pad[16];	/* unused */
 	} ilf_u;
 	int64_t			ilf_blkno;	/* blkno of inode buffer */
 	int32_t			ilf_len;	/* len of inode buffer */
@@ -295,7 +295,7 @@ struct xfs_inode_log_format_32 {
 	uint64_t		ilf_ino;	/* inode number */
 	union {
 		uint32_t	ilfu_rdev;	/* rdev value for dev inode*/
-		u8		__pad[16];	/* unused */
+		uint8_t		__pad[16];	/* unused */
 	} ilf_u;
 	int64_t			ilf_blkno;	/* blkno of inode buffer */
 	int32_t			ilf_len;	/* len of inode buffer */