patch 8.0.0523: dv} deletes part of a multi-byte character.

Problem:    dv} deletes part of a multi-byte character. (Urtica Dioica)
Solution:   Include the whole character.
diff --git a/src/version.c b/src/version.c
index 90ec27b..c3f1189 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    523,
+/**/
     522,
 /**/
     521,