Fix for process leaks with retrying compactions.
Fix for process leaks with retrying compactions.

git-svn-id: c1f8a8ec0b3bb2e99ab3413722f81f687760e79c@766883 13f79535-47bb-0310-9956-ffa450edef68

davidcoallier/bigcouch,linearregression/bigcouch,KlausTrainer/bigcouch,kofron/bigcouch,cloudant/bigcouch,andrejb/cloudant_bigcouch,breezjw/bigcouch,benoitc/couchit_experiment,PerilousApricot/bigcouch,benoitc/bigcouch,kofron/bigcouch,fkaempfer/couchdb,benoitc/couchit_experiment,KlausTrainer/bigcouch,benoitc/bigcouch,andrejb/cloudant_bigcouch,bittorrent/bigcouch,benoitc/bigcouch,KlausTrainer/bigcouch,andrejb/cloudant_bigcouch,Gussy/bigcouch,bittorrent/bigcouch,cloudant/bigcouch,Asquera/bigcouch,cloudant/bigcouch,KlausTrainer/bigcouch,Asquera/bigcouch,breezjw/bigcouch,georgemarshall/bigcouch,linearregression/bigcouch,bittorrent/bigcouch,KlausTrainer/bigcouch,andrejb/cloudant_bigcouch,andrejb/cloudant_bigcouch,breezjw/bigcouch,Gussy/bigcouch,PerilousApricot/bigcouch,georgemarshall/bigcouch,andrejb/cloudant_bigcouch,andrejb/cloudant_bigcouch,PerilousApricot/bigcouch,kofron/bigcouch,davidcoallier/bigcouch,Gussy/bigcouch,fkaempfer/couchdb,linearregression/bigcouch,davidcoallier/bigcouch,linearregression/bigcouch,linearregression/bigcouch,georgemarshall/bigcouch,breezjw/bigcouch,davidcoallier/bigcouch,fkaempfer/couchdb,fkaempfer/couchdb,fkaempfer/couchdb,benoitc/couchit_experiment,Asquera/bigcouch,fkaempfer/couchdb,cloudant/bigcouch,bittorrent/bigcouch,kofron/bigcouch,davidcoallier/bigcouch,KlausTrainer/bigcouch,linearregression/bigcouch,PerilousApricot/bigcouch,Gussy/bigcouch,benoitc/bigcouch,Asquera/bigcouch,PerilousApricot/bigcouch,cloudant/bigcouch,georgemarshall/bigcouch,PerilousApricot/bigcouch,benoitc/bigcouch,benoitc/couchit_experiment,Gussy/bigcouch,kofron/bigcouch,breezjw/bigcouch,Asquera/bigcouch,georgemarshall/bigcouch,davidcoallier/bigcouch,benoitc/couchit_experiment,cloudant/bigcouch,kofron/bigcouch,Gussy/bigcouch,bittorrent/bigcouch,benoitc/bigcouch,bittorrent/bigcouch,cloudant/bigcouch,breezjw/bigcouch,linearregression/bigcouch,georgemarshall/bigcouch,Asquera/bigcouch