docker: Work around bug in Docker 1.9
docker: Work around bug in Docker 1.9

The wildcard expansion was failing due to a bug.

HubSpot/vitess,pivanof/vitess,AndyDiamondstein/vitess,HubSpot/vitess,HubSpot/vitess,tinyspeck/vitess,applift/vitess,mapbased/vitess,rnavarro/vitess,mattharden/vitess,mattharden/vitess,erzel/vitess,AndyDiamondstein/vitess,AndyDiamondstein/vitess,sougou/vitess,guokeno0/vitess,enisoc/vitess,dcadevil/vitess,tinyspeck/vitess,pivanof/vitess,sougou/vitess,mapbased/vitess,enisoc/vitess,vitessio/vitess,davygeek/vitess,mapbased/vitess,tinyspeck/vitess,mattharden/vitess,pivanof/vitess,aaijazi/vitess,davygeek/vitess,applift/vitess,dumbunny/vitess,mahak/vitess,mahak/vitess,tirsen/vitess,pivanof/vitess,enisoc/vitess,guokeno0/vitess,alainjobart/vitess,dcadevil/vitess,aaijazi/vitess,aaijazi/vitess,applift/vitess,applift/vitess,applift/vitess,aaijazi/vitess,dumbunny/vitess,aaijazi/vitess,AndyDiamondstein/vitess,sougou/vitess,tjyang/vitess,guokeno0/vitess,rnavarro/vitess,vitessio/vitess,rnavarro/vitess,alainjobart/vitess,tjyang/vitess,mapbased/vitess,tirsen/vitess,dumbunny/vitess,vitessio/vitess,rnavarro/vitess,dcadevil/vitess,tinyspeck/vitess,alainjobart/vitess,vitessio/vitess,rnavarro/vitess,mapbased/vitess,enisoc/vitess,AndyDiamondstein/vitess,vitessio/vitess,dcadevil/vitess,tjyang/vitess,HubSpot/vitess,erzel/vitess,mahak/vitess,alainjobart/vitess,pivanof/vitess,AndyDiamondstein/vitess,alainjobart/vitess,mattharden/vitess,vitessio/vitess,dumbunny/vitess,applift/vitess,davygeek/vitess,rnavarro/vitess,rnavarro/vitess,dumbunny/vitess,pivanof/vitess,tinyspeck/vitess,erzel/vitess,pivanof/vitess,AndyDiamondstein/vitess,guokeno0/vitess,davygeek/vitess,dcadevil/vitess,tirsen/vitess,enisoc/vitess,HubSpot/vitess,dumbunny/vitess,HubSpot/vitess,guokeno0/vitess,erzel/vitess,tjyang/vitess,mattharden/vitess,mapbased/vitess,tinyspeck/vitess,aaijazi/vitess,tjyang/vitess,guokeno0/vitess,tjyang/vitess,dcadevil/vitess,guokeno0/vitess,HubSpot/vitess,sougou/vitess,dcadevil/vitess,sougou/vitess,mahak/vitess,tirsen/vitess,mahak/vitess,rnavarro/vitess,applift/vitess,sougou/vitess,tjyang/vitess,aaijazi/vitess,guokeno0/vitess,erzel/vitess,enisoc/vitess,tinyspeck/vitess,mapbased/vitess,dumbunny/vitess,davygeek/vitess,alainjobart/vitess,davygeek/vitess,dumbunny/vitess,dumbunny/vitess,HubSpot/vitess,rnavarro/vitess,erzel/vitess,erzel/vitess,erzel/vitess,applift/vitess,aaijazi/vitess,pivanof/vitess,AndyDiamondstein/vitess,sougou/vitess,mattharden/vitess,vitessio/vitess,vitessio/vitess,mattharden/vitess,tjyang/vitess,tirsen/vitess,mapbased/vitess,guokeno0/vitess,alainjobart/vitess,alainjobart/vitess,mattharden/vitess,mattharden/vitess,applift/vitess,mahak/vitess,sougou/vitess,tirsen/vitess,AndyDiamondstein/vitess,applift/vitess,davygeek/vitess,mahak/vitess,tirsen/vitess,erzel/vitess,pivanof/vitess,aaijazi/vitess,mattharden/vitess,enisoc/vitess,tirsen/vitess,mapbased/vitess,mapbased/vitess,dumbunny/vitess,erzel/vitess,mahak/vitess,tirsen/vitess,tjyang/vitess