The double `extent' is duplicated in line 837, remove one.

Signed-off-by: Xin Gao <gaoxin@cdjrlc.com>
---
 fs/xfs/libxfs/xfs_alloc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c
index d3f2886fdc08..f6bd9181cb13 100644
--- a/fs/xfs/libxfs/xfs_alloc.c
+++ b/fs/xfs/libxfs/xfs_alloc.c
@@ -833,7 +833,7 @@ xfs_alloc_cur_close(
 /*
  * Check an extent for allocation and track the best available candidate in the
  * allocation structure. The cursor is deactivated if it has entered an out of
- * range state based on allocation arguments. Optionally return the extent
+ * range state based on allocation arguments. Optionally return the
  * extent geometry and allocation status if requested by the caller.
  */
 static int
-- 
2.30.2