patch 7.4.869

Problem:    MS-Windows: scrolling may cause text to disappear when using an
            Intel GPU.
Solution:   Call GetPixel(). (Yohei Endo)

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    869,
 /**/
     868,
 /**/