ioctl_fideduperange.2: Order ERRORS alphabetically

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

man2/ioctl_fideduperange.2

@@ -126,13 +126,14 @@ is set to indicate the error.
 .SH ERRORS
 Error codes can be one of, but are not limited to, the following:
 .TP
-.B EXDEV
-.IR dest_fd " and " src_fd
-are not on the same mounted filesystem.
-.TP
-.B EISDIR
-One of the files is a directory and the filesystem does not support shared
-regions in directories.
+.B EBADF
+.IR src_fd
+is not open for reading;
+.IR dest_fd
+is not open for writing or is open for append-only writes; or the filesystem
+which
+.IR src_fd
+resides on does not support deduplication.
 .TP
 .B EINVAL
 The filesystem does not support deduplicating the ranges of the given files.
@@ -143,14 +144,13 @@ to be aligned to the fundamental block size.
 Neither Btrfs nor XFS support
 overlapping deduplication ranges in the same file.
 .TP
-.B EBADF
-.IR src_fd
-is not open for reading;
-.IR dest_fd
-is not open for writing or is open for append-only writes; or the filesystem
-which
-.IR src_fd
-resides on does not support deduplication.
+.B EISDIR
+One of the files is a directory and the filesystem does not support shared
+regions in directories.
+.TP
+.B EOPNOTSUPP
+This can appear if the filesystem does not support deduplicating either file
+descriptor.
 .TP
 .B EPERM
 .IR dest_fd
@@ -160,9 +160,9 @@ is immutable.
 One of the files is a swap file.
 Swap files cannot share storage.
 .TP
-.B EOPNOTSUPP
-This can appear if the filesystem does not support deduplicating either file
-descriptor.
+.B EXDEV
+.IR dest_fd " and " src_fd
+are not on the same mounted filesystem.
 .SH VERSIONS
 This ioctl operation first appeared in Linux 4.5.
 It was previously known as