patch 8.2.2563: cannot use multibyte characters for folding in 'fillchars'

Problem:    Cannot use multibyte characters for folding in 'fillchars'.
Solution:   Port pull request 11568 to Vim. (Yegappan Lakshmanan,
            closes #7924)
diff --git a/src/version.c b/src/version.c
index c4859de..83854d1 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2563,
+/**/
     2562,
 /**/
     2561,