Prevent addition of an unnecessary end comma when generating code for CallExtension where there are no content args
Prevent addition of an unnecessary end comma when generating code for CallExtension where there are no content args

rhengles/nunjucks,vigetlabs/nunjucks,internalfx/nunjucks,internalfx/nunjucks,jlongster/nunjucks,carljm/nunjucks,mozilla/nunjucks,vigetlabs/nunjucks,internalfx/nunjucks,carljm/nunjucks,pardo/nunjucks,robgraeber/nunjucks,fabien/nunjucks,santoshsahoo/nunjucks,campbellwmorgan/nunjucks,fabien/nunjucks,kevinschaul/nunjucks,jlongster/nunjucks,fabien/nunjucks,carljm/nunjucks,rhengles/nunjucks,santoshsahoo/nunjucks,punkave/nunjucks,devoidfury/nunjucks,atorkhov/nunjucks,node-modules/nunjucks,santoshsahoo/nunjucks,jlongster/nunjucks,pardo/nunjucks,punkave/nunjucks,kevinschaul/nunjucks,rhengles/nunjucks,carljm/nunjucks,node-modules/nunjucks,atorkhov/nunjucks,amyboyd/nunjucks,oddbird/nunjucks,vigetlabs/nunjucks,amyboyd/nunjucks,pardo/nunjucks,fabien/nunjucks,devoidfury/nunjucks,devoidfury/nunjucks,oddbird/nunjucks,AaronO/nunjucks,oddbird/nunjucks,robgraeber/nunjucks,campbellwmorgan/nunjucks,robgraeber/nunjucks,vigetlabs/nunjucks,punkave/nunjucks,mozilla/nunjucks,node-modules/nunjucks,kevinschaul/nunjucks,oddbird/nunjucks,mozilla/nunjucks,punkave/nunjucks,atorkhov/nunjucks,robgraeber/nunjucks,node-modules/nunjucks,AaronO/nunjucks,kevinschaul/nunjucks,atorkhov/nunjucks,AaronO/nunjucks,AaronO/nunjucks,popomore/nunjucks,jlongster/nunjucks,amyboyd/nunjucks,pardo/nunjucks,santoshsahoo/nunjucks,rhengles/nunjucks,campbellwmorgan/nunjucks,campbellwmorgan/nunjucks,popomore/nunjucks,amyboyd/nunjucks,popomore/nunjucks,internalfx/nunjucks