patch 8.2.2165: Vim9: assignment to dict member does not work

Problem:    Vim9: assignment to dict member does not work.
Solution:   Fix recognizing dict member. (closes #7484)
diff --git a/src/vim.h b/src/vim.h
index d6c1f46..ebd7db4 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -2536,16 +2536,18 @@
 #define COPYID_MASK (~0x1)
 
 // Values for trans_function_name() argument:
-#define TFN_INT		1	// internal function name OK
-#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
+#define TFN_INT		0x01	// internal function name OK
+#define TFN_QUIET	0x02	// no error messages
+#define TFN_NO_AUTOLOAD	0x04	// do not use script autoloading
+#define TFN_NO_DEREF	0x08	// do not dereference a Funcref
+#define TFN_READ_ONLY	0x10	// will not change the var
+#define TFN_NO_DECL	0x20	// only used for GLV_NO_DECL
 
 // 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 GLV_NO_DECL	TFN_NO_DECL	// assignment without :var or :let
 
 #define DO_NOT_FREE_CNT 99999	// refcount for dict or list that should not
 				// be freed.