patch 8.2.3236: mode() does not indicate using CTRL-O in Select mode

Problem:    mode() does not indicate using CTRL-O in Select mode.
Solution:   Use "vs" and similar. (closes #8640)
diff --git a/src/globals.h b/src/globals.h
index 5299014..ebf236b 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -882,6 +882,8 @@
 				// whether Visual mode is active
 EXTERN int	VIsual_select INIT(= FALSE);
 				// whether Select mode is active
+EXTERN int	restart_VIsual_select INIT(= 0);
+				// restart Select mode when next cmd finished
 EXTERN int	VIsual_reselect;
 				// whether to restart the selection after a
 				// Select mode mapping or menu