patch 7.4.1796

Problem:    Colors are wrong on MS-Windows. (Christian Robinson)
Solution:   Use existing RGB macro if it exists. (Ken Takata)

src/version.c

@@ -753,6 +753,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1796,
 /**/
     1795,
 /**/