travis: fix stderr redirect
travis: fix stderr redirect

I'm on drugs.

kgrvamsi/tsuru,guilhermebr/tsuru,Endika/tsuru,gciotta/tsuru,gwmoura/tsuru,hugoantunes/tsuru,kgrvamsi/tsuru,tsuru/tsuru,firebitsbr/tsuru,tsuru/tsuru,guilhermebr/tsuru,firebitsbr/tsuru,Endika/tsuru,4eek/tsuru,ArxdSilva/tsuru,hcxiong/tsuru,RichardKnop/tsuru,jblancett/tsuru,mderaldo/tsuru,RichardKnop/tsuru,ArxdSilva/tsuru,ggarnier/tsuru,tsuru/tsuru,4eek/tsuru,gciotta/tsuru,tuxmonteiro/tsuru,gwmoura/tsuru,guilhermebr/tsuru,jblancett/tsuru,gciotta/tsuru,guilhermebr/tsuru,ggarnier/tsuru,cgvarela/tsuru,tuxmonteiro/tsuru,cezarsa/tsuru,ggarnier/tsuru,kgrvamsi/tsuru,gwmoura/tsuru,hcxiong/tsuru,RichardKnop/tsuru,cezarsa/tsuru,tuxmonteiro/tsuru,tsuru/tsuru,4eek/tsuru,cezarsa/tsuru,cezarsa/tsuru,mderaldo/tsuru,mderaldo/tsuru,hugoantunes/tsuru,ArxdSilva/tsuru,cgvarela/tsuru,jblancett/tsuru,ArxdSilva/tsuru,hcxiong/tsuru,ggarnier/tsuru,cgvarela/tsuru,firebitsbr/tsuru,Endika/tsuru