patch 8.2.3987: error messages are spread outv8.2.3987

Problem:    Error messages are spread out.
Solution:   Move more error messages to errors.h.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/gui.c b/src/gui.c
index 292da7c4f..bf53caab2 100644
--- a/src/gui.c
+++ b/src/gui.c
@@ -814,7 +814,7 @@ gui_init(void)
 
 #if defined(FEAT_XIM) && defined(FEAT_GUI_GTK)
 	if (!im_xim_isvalid_imactivate())
-	    emsg(_("E599: Value of 'imactivatekey' is invalid"));
+	    emsg(_(e_value_of_imactivatekey_is_invalid));
 #endif
 	// When 'cmdheight' was set during startup it may not have taken
 	// effect yet.