Set fds to NULL before recycle.

Likely the cause of the crash that killed cvs.synchro.net last night
14 jobs for master in 9 minutes and 56 seconds (queued for 14 seconds)
Status Job ID Name Coverage
  Build
passed #18658
FreeBSD
jsdoor-freebsd

00:05:25

passed #18659
Linux
jsdoor-linux

00:03:17

passed #18661
FreeBSD
jsdoor-windows

00:02:36

passed #18653
FreeBSD
sbbs-freebsd

00:07:29

passed #18648
Linux
sbbs-linux

00:09:49

passed #18651
Windows
sbbs-windows

00:05:10

passed #18660
FreeBSD
sexpots-freebsd

00:00:14

passed #18649
Linux
sexpots-linux

00:00:10

passed #18652
Windows
sexpots-windows

00:00:25

passed #18656
FreeBSD
syncdraw-freebsd

00:00:30

passed #18657
Linux
syncdraw-linux

00:01:59

passed #18654
FreeBSD
syncterm-freebsd

00:01:18

passed #18650
Linux
syncterm-linux

00:02:50

passed #18655
FreeBSD
syncterm-windows

00:02:24