rebar_utils: fix whitespace error
rebar_utils: fix whitespace error

CMoH/rebar,K2InformaticsGmbH/rebar,blt/rebar3,apache/couchdb-rebar,macintux/rebar,jbalint/rebar3,matwey/rebar,wcy123/rebar,blt/rebar3,paulo-ferraz-oliveira/rebar,thomasbhatia/rebar,SiDen/rebar,fauxsoup/rebar3,SiDen/rebar,RubberCthulhu/rebar,syl20bnr/rebar,norton/rebar,heroku/rebar,beni55/rebar,evnix/rebar,sile/rebar3,linearregression/rebar3,paulo-ferraz-oliveira/rebar,CMoH/rebar,dcarastan/rebar,jacktang/rebar,beni55/rebar,beni55/rebar-1,norton/rebar3,rebar/rebar3,CMoH/rebar,K2InformaticsGmbH/rebar,shkumagai/rebar,deadok22/rebar,lrascao/rebar,shkumagai/rebar,processone/rebar3,vladdu/rebar3,processone/rebar3,thomasbhatia/rebar,kellymclaughlin/rebar3,choptastic/rebar,matwey/rebar,basho/rebar,macintux/rebar,rebar/rebar,tsloughter/rebar3,matwey/rebar,djnym/rebar3,project-fifo/rebar3,K2InformaticsGmbH/rebar,linearregression/rebar3,choptastic/rebar,syl20bnr/rebar,apache/couchdb-rebar,platinumthinker/rebar,GabrielNicolasAvellaneda/rebar,cloudant/couchdb-rebar,jacktang/rebar,lrascao/rebar,wcy123/rebar,lpgauth/rebar,erlang/rebar3,lrascao/rebar3,evnix/rebar,RubberCthulhu/rebar,saleyn/rebar3,surik/rebar3,paulo-ferraz-oliveira/rebar,oubiwann/rebar,walrusVision/rebar3,bsmr-erlang/rebar,matwey/rebar,bsmr-erlang/rebar,benoitc/rebar3,scatterbrain/rebar,norton/rebar,walrusVision/rebar3,jacktang/rebar,choptastic/rebar,rebar/rebar,lrascao/rebar,beni55/rebar,matwey/rebar,cloudant/couchdb-rebar,K2InformaticsGmbH/rebar,dcarastan/rebar,fabiankrol/rebar3,oubiwann/rebar,macintux/rebar,SiDen/rebar,lrascao/rebar,zugolosian/rebar3,dcarastan/rebar,bsmr-erlang/rebar,csyangchen/rebar,cloudant/couchdb-rebar,thomasbhatia/rebar,scatterbrain/rebar,platinumthinker/rebar,csyangchen/rebar,norton/rebar,oubiwann/rebar,syl20bnr/rebar,jbalint/rebar3,surik/rebar3,csyangchen/rebar,lrascao/rebar,platinumthinker/rebar,K2InformaticsGmbH/rebar,GabrielNicolasAvellaneda/rebar,basho/rebar,heroku/rebar,sile/rebar3,bsmr-erlang/rebar,benoitc/rebar3,project-fifo/rebar3,deadok22/rebar,rebar/rebar,GabrielNicolasAvellaneda/rebar,fishcakez/rebar3,norton/rebar,ferd/rebar3,apache/couchdb-rebar,fabiankrol/rebar3,zugolosian/rebar3,rebar/rebar3,shkumagai/rebar,scatterbrain/rebar,lpgauth/rebar,fauxsoup/rebar3,evnix/rebar,beni55/rebar-1,lpgauth/rebar