patch 9.1.0857: xxd: --- is incorrectly recognized as end-of-options

Problem:  xxd: --- is incorrectly recognized as end-of-options
Solution: improve xxds end-of-option parser (DungSaga)

closes: #9285

Signed-off-by: DungSaga <dungsaga@users.noreply.github.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 4f66b3d..5c775b0 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    857,
+/**/
     856,
 /**/
     855,