patch 8.2.4663: occasional crash when running the GUI tests

Problem:    Occasional crash when running the GUI tests.
Solution:   Check that the line index is not too high. (closes #8681)
diff --git a/src/version.c b/src/version.c
index d3be7a8..72ba02c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    4663,
+/**/
     4662,
 /**/
     4661,