patch 8.2.5143: some tests fail when using valgrind

Problem:    Some tests fail when using valgrind. Spurious leak reports.
Solution:   Use WaitForAssert().  Avoid failing fork/exec.  Skip tests where a
            job is killed when running valgrind.

src/version.c

@@ -734,6 +734,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    5143,
 /**/
     5142,
 /**/