Fix HTTP connection leak upon non-OK status.
Fix HTTP connection leak upon non-OK status.

Change-Id: Ie7fbd7dcc089b8306b40631be3e3d736c23c1cd3

q3k/prometheus,dsymonds/prometheus,fabric8io/prometheus,prasincs/prometheus,justintung/prometheus,rajthilakmca/prometheus,smyrman/prometheus,agaoglu/prometheus,alileza/prometheus,Gouthamve/prometheus,gottwald/prometheus,Conorbro/prometheus,kzittritsch/prometheus,wndhydrnt/prometheus,wxdublin/prometheus,yanghongkjxy/prometheus,Dieterbe/prometheus,tattsun/prometheus,alileza/prometheus,AlekSi/prometheus,mtanda/prometheus,thachmai/prometheus,kangwoo/prometheus,kzittritsch/prometheus,Stackdriver/stackdriver-prometheus,bluecmd/prometheus,wndhydrnt/prometheus,alileza/prometheus,yanghongkjxy/prometheus,JavierZunzunegui/prometheus,jbdalido/prometheus,robbiet480/prometheus,dln/prometheus,PrFalken/prometheus,thachmai/prometheus,wrouesnel/prometheus,abhishekamralkar/prometheus,slok/prometheus,wrouesnel/prometheus,prasincs/prometheus,datajet-io/prometheus,wndhydrnt/prometheus,bluecmd/prometheus,dmilstein/prometheus,dpatel06/prometheus,RobertKielty/prometheus,wrouesnel/prometheus,nicr9/prometheus,RobertKielty/prometheus,prasincs/prometheus,jbdalido/prometheus,gesellix/prometheus,robbiet480/prometheus,PrFalken/prometheus,tattsun/prometheus,q3k/prometheus,rajthilakmca/prometheus,q3k/prometheus,GoogleCloudPlatform/prometheus,jmcfarlane/prometheus,hustbill/prometheus,robbiet480/prometheus,SaltedMan/prometheus-annotated,adamron1/prometheus,dmilstein/prometheus,GoogleCloudPlatform/prometheus,slok/prometheus,cit-lab/prometheus,dln/prometheus,GoogleCloudPlatform/prometheus,nicr9/prometheus,laushinka/prometheus,sudhi-vm/prometheus,dsymonds/prometheus,Stackdriver/stackdriver-prometheus,brancz/prometheus,AlekSi/prometheus,wxdublin/prometheus,jbdalido/prometheus,Colstuwjx/prometheus,Gouthamve/prometheus,prometheus/prometheus,laushinka/prometheus,kangwoo/prometheus,keegancsmith/prometheus,datajet-io/prometheus,SaltedMan/prometheus-annotated,amorken/prometheus,laushinka/prometheus,fabxc/prometheus,hustbill/prometheus,cit-lab/prometheus,sudhi-vm/prometheus,trigrass2/prometheus,brancz/prometheus,q3k/prometheus,prometheus/prometheus,flier/prometheus,wrouesnel/prometheus,flier/prometheus,yanghongkjxy/prometheus,msiebuhr/prometheus,AlekSi/prometheus,ton31337/prometheus,Conorbro/prometheus,agaoglu/prometheus,dln/prometheus,smyrman/prometheus,jbdalido/prometheus,gottwald/prometheus,iksaif/prometheus,Stackdriver/stackdriver-prometheus,rajthilakmca/prometheus,gottwald/prometheus,msiebuhr/prometheus,RobertKielty/prometheus,agaoglu/prometheus,eliothedeman/prometheus,kangwoo/prometheus,ton31337/prometheus,amorken/prometheus,GoogleCloudPlatform/prometheus,ton31337/prometheus,kangwoo/prometheus,keegancsmith/prometheus,SaltedMan/prometheus-annotated,Stackdriver/stackdriver-prometheus,dalanlan/prometheus,mtanda/prometheus,datajet-io/prometheus,gcnonato/prometheus,flier/prometheus,robbiet480/prometheus,slok/prometheus,eliothedeman/prometheus,justintung/prometheus,alileza/prometheus,jimmidyson/prometheus,gesellix/prometheus,sudhi-vm/prometheus,abhishekamralkar/prometheus,gcnonato/prometheus,trigrass2/prometheus,trigrass2/prometheus,PrFalken/prometheus,tomwilkie/prometheus,msiebuhr/prometheus,tomwilkie/prometheus,amorken/prometheus,Dieterbe/prometheus,keegancsmith/prometheus,bluecmd/prometheus,gottwald/prometheus,Gouthamve/prometheus,smyrman/prometheus,cit-lab/prometheus,rajthilakmca/prometheus,gcnonato/prometheus,fabxc/prometheus,dsymonds/prometheus,mrwacky42/prometheus,prometheus/prometheus,mrwacky42/prometheus,Dieterbe/prometheus,laushinka/prometheus,wxdublin/prometheus,adamron1/prometheus,jmcfarlane/prometheus,bluecmd/prometheus,JavierZunzunegui/prometheus,keegancsmith/prometheus,JavierZunzunegui/prometheus,hustbill/prometheus,smyrman/prometheus,yanghongkjxy/prometheus,mtanda/prometheus,iksaif/prometheus,jimmidyson/prometheus,ton31337/prometheus,sudhi-vm/prometheus,dpatel06/prometheus,cit-lab/prometheus,trigrass2/prometheus,msiebuhr/prometheus,dmilstein/prometheus,iksaif/prometheus,GoogleCloudPlatform/prometheus,eliothedeman/prometheus,iksaif/prometheus,Gouthamve/prometheus,fabric8io/prometheus,justintung/prometheus,brancz/prometheus,dsymonds/prometheus,Conorbro/prometheus,jmcfarlane/prometheus,adamron1/prometheus,gcnonato/prometheus,slok/prometheus,prometheus/prometheus,gesellix/prometheus,kzittritsch/prometheus,kzittritsch/prometheus,fabxc/prometheus,prometheus/prometheus,thachmai/prometheus,tomwilkie/prometheus,Conorbro/prometheus,Colstuwjx/prometheus,mrwacky42/prometheus,Colstuwjx/prometheus,dln/prometheus,jimmidyson/prometheus,datajet-io/prometheus,fabric8io/prometheus,agaoglu/prometheus,mtanda/prometheus,dalanlan/prometheus,JavierZunzunegui/prometheus,fabric8io/prometheus,abhishekamralkar/prometheus,prasincs/prometheus,RobertKielty/prometheus,hustbill/prometheus,eliothedeman/prometheus,gesellix/prometheus,dalanlan/prometheus,PrFalken/prometheus,brancz/prometheus,dmilstein/prometheus,tomwilkie/prometheus,Colstuwjx/prometheus,thachmai/prometheus,justintung/prometheus,SaltedMan/prometheus-annotated,amorken/prometheus,abhishekamralkar/prometheus,tattsun/prometheus,alileza/prometheus,jmcfarlane/prometheus,adamron1/prometheus,AlekSi/prometheus,fabxc/prometheus,tattsun/prometheus,dpatel06/prometheus,nicr9/prometheus,keegancsmith/prometheus