Format build.xml's checkcode target
Format build.xml's checkcode target

Whitespace fix only. No semantic changes

unisontech/Smack,Flowdalic/Smack,kkroid/OnechatSmack,vanitasvitae/Smack,lovely3x/Smack,vanitasvitae/smack-omemo,magnetsystems/message-smack,esl/Smack,u20024804/Smack,u20024804/Smack,chuangWu/Smack,Tibo-lg/Smack,magnetsystems/message-smack,xuIcream/Smack,ishan1604/Smack,ayne/Smack,igorexax3mal/Smack,ishan1604/Smack,igniterealtime/Smack,annovanvliet/Smack,dpr-odoo/Smack,vito-c/Smack,qingsong-xu/Smack,andrey42/Smack,deeringc/Smack,hy9902/Smack,opg7371/Smack,igniterealtime/Smack,vanitasvitae/smack-omemo,xuIcream/Smack,hy9902/Smack,esl/Smack,Flowdalic/Smack,xuIcream/Smack,lovely3x/Smack,TTalkIM/Smack,qingsong-xu/Smack,kkroid/OnechatSmack,vito-c/Smack,andrey42/Smack,vanitasvitae/Smack,igniterealtime/Smack,unisontech/Smack,dpr-odoo/Smack,magnetsystems/message-smack,ayne/Smack,mar-v-in/Smack,hy9902/Smack,chuangWu/Smack,cjpx00008/Smack,qingsong-xu/Smack,igorexax3mal/Smack,unisontech/Smack,kkroid/OnechatSmack,annovanvliet/Smack,Flowdalic/Smack,mar-v-in/Smack,andrey42/Smack,cjpx00008/Smack,u20024804/Smack,TTalkIM/Smack,igorexax3mal/Smack,cjpx00008/Smack,chuangWu/Smack,ishan1604/Smack,deeringc/Smack,Tibo-lg/Smack,mar-v-in/Smack,annovanvliet/Smack,vanitasvitae/Smack,esl/Smack,lovely3x/Smack,deeringc/Smack,opg7371/Smack,opg7371/Smack,vanitasvitae/smack-omemo,TTalkIM/Smack,dpr-odoo/Smack,ayne/Smack,Tibo-lg/Smack