patch 8.2.3325: digraph test fails when LC_ALL is set to "C"

Problem:    Digraph test fails when LC_ALL is set to "C".
Solution:   When restoring 'encoding' set it to "utf-8". (closes #8742)
diff --git a/src/version.c b/src/version.c
index 0255bf6..04b5749 100644
--- a/src/version.c
+++ b/src/version.c
@@ -756,6 +756,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    3325,
+/**/
     3324,
 /**/
     3323,