[XFS] sparse: rework previous mods to fix warnings in DMAPI code.

From Chris Wedgwood.

SGI Modid: xfs-linux:xfs-kern:174817a
Signed-off-by: Nathan Scott <nathans@sgi.com>

fs/xfs/quota/xfs_qm.c

@@ -1732,7 +1732,7 @@ STATIC int
 xfs_qm_dqusage_adjust(
 	xfs_mount_t	*mp,		/* mount point for filesystem */
 	xfs_ino_t	ino,		/* inode number to get data for */
-	char __user	*buffer,	/* not used */
+	void __user	*buffer,	/* not used */
 	int		ubsize,		/* not used */
 	void		*private_data,	/* not used */
 	xfs_daddr_t	bno,		/* starting block of inode cluster */

fs/xfs/quota/xfs_qm_syscalls.c

@@ -1299,7 +1299,7 @@ STATIC int
 xfs_qm_internalqcheck_adjust(
 	xfs_mount_t	*mp,		/* mount point for filesystem */
 	xfs_ino_t	ino,		/* inode number to get data for */
-	char __user	*buffer,	/* not used */
+	void __user	*buffer,	/* not used */
 	int		ubsize,		/* not used */
 	void		*private_data,	/* not used */
 	xfs_daddr_t	bno,		/* starting block of inode cluster */

fs/xfs/xfs_itable.c

@@ -68,7 +68,7 @@ int		       		/* error status */
 xfs_bulkstat_one(
 	xfs_mount_t	*mp,		/* mount point for filesystem */
 	xfs_ino_t	ino,		/* inode number to get data for */
-	char __user	*buffer,	/* buffer to place output in */
+	void __user	*buffer,	/* buffer to place output in */
 	int		ubsize,		/* size of buffer */
 	void		*private_data,	/* my private data */
 	xfs_daddr_t	bno,		/* starting bno of inode cluster */

fs/xfs/xfs_itable.h

@@ -40,7 +40,7 @@
  */
 typedef int (*bulkstat_one_pf)(struct xfs_mount	*mp,
 			       xfs_ino_t	ino,
-			       char __user	*buffer,
+			       void __user	*buffer,
 			       int		ubsize,
 			       void		*private_data,
 			       xfs_daddr_t	bno,
@@ -88,7 +88,7 @@ int
 xfs_bulkstat_one(
 	xfs_mount_t		*mp,
 	xfs_ino_t		ino,
-	char __user		*buffer,
+	void __user		*buffer,
 	int			ubsize,
 	void			*private_data,
 	xfs_daddr_t		bno,