patch 8.2.1024: Vim9: no error for using "let g:var = val"
Problem: Vim9: no error for using "let g:var = val".
Solution: Add an error.
diff --git a/src/globals.h b/src/globals.h
index 8cc9385..b6356a3 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -1788,6 +1788,7 @@
EXTERN char e_lock_unlock[] INIT(= N_("E940: Cannot lock or unlock variable %s"));
EXTERN char e_const_req_value[] INIT(= N_("E1021: const requires a value"));
EXTERN char e_type_req[] INIT(= N_("E1022: type or initialization required"));
+EXTERN char e_declare_global[] INIT(= N_("E1016: Cannot declare a global variable: %s"));
#endif
#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS)
EXTERN char e_alloc_color[] INIT(= N_("E254: Cannot allocate color %s"));