Back out removal of wait in r22715.
Back out removal of wait in r22715.

The wait statement waits for a child process to die before returning from
free_workers.  Without it, the script may start the grep process for a
directory before the child process has had a chance to creat the corresponding
log file.



git-svn-id: 88467cb1fb04b8a755be7e1ee1026be4190196ef@23155 3a8e244f-b0f2-452b-bcba-4c88e055c3ca

chizarlicious/chapel,chizarlicious/chapel,sungeunchoi/chapel,CoryMcCartan/chapel,CoryMcCartan/chapel,sungeunchoi/chapel,hildeth/chapel,CoryMcCartan/chapel,CoryMcCartan/chapel,hildeth/chapel,chizarlicious/chapel,chizarlicious/chapel,chizarlicious/chapel,sungeunchoi/chapel,CoryMcCartan/chapel,hildeth/chapel,sungeunchoi/chapel,hildeth/chapel,CoryMcCartan/chapel,hildeth/chapel,CoryMcCartan/chapel,chizarlicious/chapel,sungeunchoi/chapel,sungeunchoi/chapel,sungeunchoi/chapel,hildeth/chapel,hildeth/chapel,sungeunchoi/chapel,chizarlicious/chapel