patch 8.1.0497: :%diffput changes order of lines

Problem:    :%diffput changes order of lines. (Markus Braun)
Solution:   Do adjust marks when using internal diff.
diff --git a/src/version.c b/src/version.c
index 3d31fa7..c3f2e23 100644
--- a/src/version.c
+++ b/src/version.c
@@ -793,6 +793,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    497,
+/**/
     496,
 /**/
     495,