Fix a typo in jnlp slave jar URL
Fix a typo in jnlp slave jar URL

mknapik/jenkins,bhalothia/jenkins,j-c-h-e-n-g/jenkins,bhalothia/jenkins,ebsco/jenkins,developerinlondon/jenkins,chef-cookbooks/jenkins,martinb3-cookbooks/jenkins,daften/cookbook-jenkins,thrucker/jenkins,ebsco/jenkins,RobertNorthard/jenkins,Piousbox-cookbooks/jenkins,opscode-cookbooks/jenkins,gshively11/jenkins,daften/cookbook-jenkins,Da-Wei/jenkins,wanelo-chef/jenkins,gshively11/jenkins,mknapik/jenkins,rexut/opscode-cookbooks-jenkins,Dispader/jenkins,rexut/opscode-cookbooks-jenkins,autoclone/iptables,rberger/jenkins,Dispader/jenkins,epu/epu-cb-jenkins,bhalothia/jenkins,daften/cookbook-jenkins,cru-Luis-Rodriguez/jenkins,rchekaluk/jenkins,autoclone/jenkins-cookbook,mlongob/jenkins,opscode-cookbooks/jenkins,StephenKing/chef-cookbook-jenkins,Sauraus/jenkins,dshvedchenko/jenkins,autoclone/jenkins,Tiger66639/jenkins,cru-Luis-Rodriguez/jenkins,j-c-h-e-n-g/jenkins,cru-Luis-Rodriguez/jenkins,autoclone/jenkins,smedefind/jenkins,mlongob/jenkins,umar85/jenkins,chef-cookbooks/jenkins,juliandunn/jenkins,b-dean/jenkins,StephenKing/chef-cookbook-jenkins,mknapik/jenkins,RobertNorthard/jenkins,rchekaluk/jenkins,RobertNorthard/jenkins,umar85/jenkins,martinb3-cookbooks/jenkins,b-dean/jenkins,autoclone/jenkins-cookbook,umar85/jenkins,samdunne/jenkins,autoclone/iptables,StephenKing/chef-cookbook-jenkins,Piousbox-cookbooks/jenkins,Sauraus/jenkins,chef-cookbooks/jenkins,dshvedchenko/jenkins,developerinlondon/jenkins,j-c-h-e-n-g/jenkins,rexut/opscode-cookbooks-jenkins,autoclone/jenkins,ebsco/jenkins,autoclone/jenkins-cookbook,DataDog/jenkins,martinb3-cookbooks/jenkins,dshvedchenko/jenkins,Tiger66639/jenkins,mlongob/jenkins,rchekaluk/jenkins,epu/epu-cb-jenkins,hirocaster/jenkins-1,samdunne/jenkins,samdunne/jenkins,opscode-cookbooks/jenkins,juliandunn/jenkins,autoclone/iptables,team-lab/chef-jenkins,b-dean/jenkins,Sauraus/jenkins,epu/epu-cb-jenkins,juliandunn/jenkins,developerinlondon/jenkins,Tiger66639/jenkins,Dispader/jenkins,gshively11/jenkins,Piousbox-cookbooks/jenkins