patch 9.1.0300: Missing test for what patch v9.1.0285 fixes

Problem:  Missing test for what patch v9.1.0285 fixes
Solution: Add a test for cursor movement at buffer boundaries.
          (Luuk van Baal)

closes: #14470

Signed-off-by: Luuk van Baal <luukvbaal@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index db892ab..c256520 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    300,
+/**/
     299,
 /**/
     298,