patch 8.2.0851: can't distinguish <M-a> from accented "a" in the GUIv8.2.0851

Problem:    Can't distinguish <M-a> from accented "a" in the GUI.
Solution:   Use another way to make mapping <C-bslash> work. (closes #6163)

1 files changed, 2 insertions, 2 deletions

diff --git a/src/gui.c b/src/gui.c
index a7216fcf6e..3df9921484 100644
--- a/src/gui.c
+++ b/src/gui.c
@@ -803,8 +803,8 @@ gui_init(void)
 	if (!p_beval)
 	    gui_mch_disable_beval_area(balloonEval);
 #endif
-	// In case the terminal was used before ":gui".
-	seenModifyOtherKeys = FALSE;
+	// In the GUI modifiers are prepended to keys.
+	seenModifyOtherKeys = TRUE;
 
 #if defined(FEAT_XIM) && defined(FEAT_GUI_GTK)
 	if (!im_xim_isvalid_imactivate())