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.

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    2269,
 /**/
     2268,
 /**/