patch 8.0.0345: islocked('d.changedtick') does not work
Problem: islocked('d.changedtick') does not work.
Solution: Make it work.
diff --git a/src/vim.h b/src/vim.h
index f3e87fe..8636c56 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -2474,10 +2474,12 @@
#define TFN_QUIET 2 /* no error messages */
#define TFN_NO_AUTOLOAD 4 /* do not use script autoloading */
#define TFN_NO_DEREF 8 /* do not dereference a Funcref */
+#define TFN_READ_ONLY 16 /* will not change the var */
/* Values for get_lval() flags argument: */
#define GLV_QUIET TFN_QUIET /* no error messages */
#define GLV_NO_AUTOLOAD TFN_NO_AUTOLOAD /* do not use script autoloading */
+#define GLV_READ_ONLY TFN_READ_ONLY /* will not change the var */
#define DO_NOT_FREE_CNT 99999 /* refcount for dict or list that should not
be freed. */