patch 7.4.1799
Problem: 'guicolors' is a confusing option name.
Solution: Use 'termguicolors' instead. (Hirohito Higashi)
diff --git a/src/globals.h b/src/globals.h
index 8cc9bed..5010cd4 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -369,7 +369,7 @@
EXTERN int cterm_normal_fg_color INIT(= 0);
EXTERN int cterm_normal_fg_bold INIT(= 0);
EXTERN int cterm_normal_bg_color INIT(= 0);
-#ifdef FEAT_TERMTRUECOLOR
+#ifdef FEAT_TERMGUICOLORS
EXTERN long_u cterm_normal_fg_gui_color INIT(= INVALCOLOR);
EXTERN long_u cterm_normal_bg_gui_color INIT(= INVALCOLOR);
#endif