patch 8.0.0262: Farsi support is barely tested

Problem:    Farsi support is barely tested.
Solution:   Add more tests for Farsi.  Clean up the code.
diff --git a/src/version.c b/src/version.c
index 6ef16e4..17d9e63 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    262,
+/**/
     261,
 /**/
     260,