[libglnx] dirfd: Fix typo in comment

[Matthew Leeds <mwleeds src gnome org>]

commit 6bd24baed27b0fb60ba923440d1a0c69fed8cf23
Author: Matthew Leeds <matthew leeds endlessm com>
Date:   Tue Aug 15 13:17:03 2017 -0700

    dirfd: Fix typo in comment

 glnx-dirfd.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/glnx-dirfd.c b/glnx-dirfd.c
index 667a18d..29a3ff7 100644
--- a/glnx-dirfd.c
+++ b/glnx-dirfd.c
@@ -83,7 +83,7 @@ typedef struct GLnxRealDirfdIterator GLnxRealDirfdIterator;
 /**
  * glnx_dirfd_iterator_init_at:
  * @dfd: File descriptor, may be AT_FDCWD or -1
- * @path: Path, may be relative to @df
+ * @path: Path, may be relative to @dfd
  * @follow: If %TRUE and the last component of @path is a symlink, follow it
  * @out_dfd_iter: (out caller-allocates): A directory iterator, will be initialized
  * @error: Error