patch 8.2.3286: win_enter_ext() has too many boolean arguments

Problem:    win_enter_ext() has too many boolean arguments.
Solution:   use one flags argument with defined values.

src/version.c

@@ -755,6 +755,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    3286,
 /**/
     3285,
 /**/