patch 8.2.0816: terminal test fails when compiled with Athena
Problem: Terminal test fails when compiled with Athena.
Solution: Do give an error when the GUI is not running. (hint by Dominique
Pelle, closes #5928, closes #6132)
diff --git a/src/globals.h b/src/globals.h
index 60c3c66..648da7d 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -1767,6 +1767,9 @@
EXTERN char e_lock_unlock[] INIT(= N_("E940: Cannot lock or unlock variable %s"));
#endif
+#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS)
+EXTERN char e_alloc_color[] INIT(= N_("E254: Cannot allocate color %s"));
+#endif
#ifdef FEAT_GUI_MAC
EXTERN short disallow_gui INIT(= FALSE);