patch 8.1.1170: terminal ANSI color test does not cover all colors

Problem:    Terminal ANSI color test does not cover all colors.
Solution:   Use the color number, the name is not always resulting in an ANSI
            color when t_Co is 256.

src/version.c

@@ -771,6 +771,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1170,
 /**/
     1169,
 /**/