packagekit: Add spaces into nontrivial {}
packagekit: Add spaces into nontrivial {}

As per Cockpit code convention, {...} which contain more than just a
single value should have space padding.

martinpitt/cockpit,harishanand95/cockpit,michalskrivanek/cockpit,petervo/cockpit,moraleslazaro/cockpit,xhad/cockpit,michalskrivanek/cockpit,harishanand95/cockpit,Scribery/cockpit,cockpit-project/cockpit,cockpituous/cockpit,xhad/cockpit,cockpit-project/cockpit,harishanand95/cockpit,martinpitt/cockpit,mvollmer/cockpit,xhad/cockpit,Scribery/cockpit,moraleslazaro/cockpit,larsu/cockpit,garrett/cockpit,SotolitoLabs/cockpit,xhad/cockpit,stefwalter/cockpit,michalskrivanek/cockpit,martinpitt/cockpit,deryni/cockpit,SotolitoLabs/cockpit,cockpit-project/cockpit,moraleslazaro/cockpit,stefwalter/cockpit,Scribery/cockpit,mvollmer/cockpit,petervo/cockpit,petervo/cockpit,moraleslazaro/cockpit,michalskrivanek/cockpit,cockpituous/cockpit,mvollmer/cockpit,mareklibra/cockpit,mareklibra/cockpit,larskarlitski/cockpit,andreasn/cockpit,mareklibra/cockpit,deryni/cockpit,mareklibra/cockpit,larskarlitski/cockpit,SotolitoLabs/cockpit,cockpituous/cockpit,deryni/cockpit,larskarlitski/cockpit,petervo/cockpit,garrett/cockpit,larsu/cockpit,mareklibra/cockpit,deryni/cockpit,deryni/cockpit,larskarlitski/cockpit,andreasn/cockpit,stefwalter/cockpit,stefwalter/cockpit,Scribery/cockpit,larsu/cockpit,andreasn/cockpit,petervo/cockpit,deryni/cockpit,stefwalter/cockpit,SotolitoLabs/cockpit,larsu/cockpit,larskarlitski/cockpit,xhad/cockpit,deryni/cockpit,mvollmer/cockpit,mvollmer/cockpit,andreasn/cockpit,SotolitoLabs/cockpit,cockpit-project/cockpit,harishanand95/cockpit,moraleslazaro/cockpit,garrett/cockpit,Scribery/cockpit,andreasn/cockpit,stefwalter/cockpit,mareklibra/cockpit,michalskrivanek/cockpit,larskarlitski/cockpit,mareklibra/cockpit,michalskrivanek/cockpit,michalskrivanek/cockpit,stefwalter/cockpit,petervo/cockpit,moraleslazaro/cockpit,cockpituous/cockpit,martinpitt/cockpit,andreasn/cockpit,petervo/cockpit,cockpituous/cockpit,moraleslazaro/cockpit,larskarlitski/cockpit,larsu/cockpit,Scribery/cockpit,SotolitoLabs/cockpit,larsu/cockpit,andreasn/cockpit,garrett/cockpit,xhad/cockpit,harishanand95/cockpit,cockpit-project/cockpit,garrett/cockpit,Scribery/cockpit,martinpitt/cockpit,xhad/cockpit,SotolitoLabs/cockpit,harishanand95/cockpit,cockpituous/cockpit,harishanand95/cockpit