patch 8.1.1390: search stats are off when using count or offset

Problem:    Search stats are off when using count or offset.
Solution:   Recompute the stats when needed. (Masato Nishihata, closes #4410)
diff --git a/src/version.c b/src/version.c
index 03ad4bc..a971633 100644
--- a/src/version.c
+++ b/src/version.c
@@ -768,6 +768,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1390,
+/**/
     1389,
 /**/
     1388,