patch 8.0.1536: quotestar test is flaky when using the GUI

Problem:    Quotestar test is flaky when using the GUI.
Solution:   Add check that the star register arrived at the server.  Increase
            timeouts.
diff --git a/src/version.c b/src/version.c
index 5d8eb5a..b2a2e8f 100644
--- a/src/version.c
+++ b/src/version.c
@@ -779,6 +779,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1536,
+/**/
     1535,
 /**/
     1534,