patch 8.0.0403: GUI tests may fail

Problem:    GUI tests may fail.
Solution:   Ignore the E285 error better. (Kazunobu Kuriyama)
diff --git a/src/version.c b/src/version.c
index e109687..bef8df2 100644
--- a/src/version.c
+++ b/src/version.c
@@ -765,6 +765,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    403,
+/**/
     402,
 /**/
     401,