patch 7.4.1770

Problem:    Cannot use true color in the terminal.
Solution:   Add the 'guicolors' option. (Nikolai Pavlov)

src/version.c

@@ -621,6 +621,11 @@ static char *(features[]) =
 #else
 	"-termresponse",
 #endif
+#ifdef FEAT_TERMTRUECOLOR
+	"+termtruecolor",
+#else
+	"-termtruecolor",
+#endif
 #ifdef FEAT_TEXTOBJ
 	"+textobjects",
 #else
@@ -748,6 +753,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1770,
 /**/
     1769,
 /**/