[XFS] Fix up warning for xfs_vn_listxatt's call of list_one_attr() with

context count of ssize_t versus int. Change context count to be ssize_t.

SGI-PV: 983395

SGI-Modid: xfs-linux-melb:xfs-kern:31333a
Signed-off-by: Tim Shimmin <tes@sgi.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>

fs/xfs/xfs_attr.h

@@ -126,7 +126,7 @@ typedef struct xfs_attr_list_context {
 	struct attrlist_cursor_kern	*cursor;	/* position in list */
 	char				*alist;		/* output buffer */
 	int				seen_enough;	/* T/F: seen enough of list? */
-	int				count;		/* num used entries */
+	ssize_t				count;		/* num used entries */
 	int				dupcnt;		/* count dup hashvals seen */
 	int				bufsize;	/* total buffer size */
 	int				firstu;		/* first used byte in buffer */