patch 8.0.0190: finding duplicate tags uses a slow linear search
Problem: Detecting duplicate tags uses a slow linear search.
Solution: Use a much faster hash table solution. (James McCoy, closes #1046)
But don't add hi_keylen, it makes hash tables 50% bigger.
diff --git a/src/version.c b/src/version.c
index 368a984..2094db7 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
+ 190,
+/**/
189,
/**/
188,