[XFS] Fix up some warning fallout from functions made static

SGI-PV: 936255
SGI-Modid: xfs-linux:xfs-kern:193691a

Signed-off-by: Eric Sandeen <sandeen@sgi.com>
Signed-off-by: Nathan Scott <nathans@sgi.com>
diff --git a/fs/xfs/xfs_btree.c b/fs/xfs/xfs_btree.c
index 797f4d9..0cc63d6 100644
--- a/fs/xfs/xfs_btree.c
+++ b/fs/xfs/xfs_btree.c
@@ -93,7 +93,7 @@
  * Retrieve the block pointer from the cursor at the given level.
  * This may be a bmap btree root or from a buffer.
  */
-xfs_btree_block_t *			/* generic btree block pointer */
+STATIC xfs_btree_block_t *			/* generic btree block pointer */
 xfs_btree_get_block(
 	xfs_btree_cur_t		*cur,	/* btree cursor */
 	int			level,	/* level in btree */