patch 8.1.2269: tags file with very long line stops using binary search

Problem:    Tags file with very long line stops using binary search.
Solution:   Reallocate the buffer if needed.
diff --git a/src/version.c b/src/version.c
index 2db75aa..541b2ad 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2269,
+/**/
     2268,
 /**/
     2267,