Improve debug output:

- handle T_FATE_NEEDTMP
- indicate which children has the maximum time.


[SVN r20251]

tools/build

@@ -1 +1 @@
-Subproject commit 78972dc9926ef217d620cdeac76843ea31965241
+Subproject commit c575310e159d4b88ff47a5c7d5e6831261f29124