patch 8.0.0632: the quotestar test is still a bit flaky

Problem:    The quotestar test is still a bit flaky.
Solution:   Kill any existing server to make the retry work.  Wait for the
            register to be filled.

src/version.c

@@ -764,6 +764,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    632,
 /**/
     631,
 /**/