patch 7.4.1800

Problem:    Unnecessary #ifdef.
Solution:   Just use USE_24BIT. (Ken Takata)

Author: brammool

src/syntax.c

@@ -7795,13 +7795,7 @@ do_highlight(
 # if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS)
 		/* In GUI guifg colors are only used when recognized */
 		i = color_name2handle(arg);
-		if (i != INVALCOLOR || STRCMP(arg, "NONE") == 0
-#  ifdef FEAT_GUI
-			|| !(USE_24BIT)
-#  else
-			|| !p_tgc
-#  endif
-		   )
+		if (i != INVALCOLOR || STRCMP(arg, "NONE") == 0 || !USE_24BIT)
 		{
 		    HL_TABLE()[idx].sg_gui_fg = i;
 # endif

src/version.c

@@ -753,6 +753,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1800,
 /**/
     1799,
 /**/