patch 8.1.0167: lock flag in new dictitem is reset in many places

Problem:    Lock flag in new dictitem is reset in many places.
Solution:   Always reset the lock flag.
diff --git a/src/version.c b/src/version.c
index dd3fb19..43d3616 100644
--- a/src/version.c
+++ b/src/version.c
@@ -790,6 +790,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    167,
+/**/
     166,
 /**/
     165,