Makefile: add -f to go get call
Makefile: add -f to go get call

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