remove bashism
remove bashism

This was introduced in #780.

2opremio/weave,paulbellamy/weave,errordeveloper/weave,paulbellamy/weave,inercia/weave,BWITS/weave,squaremo/weave,bboreham/weave,OnePaaS/weave,beni55/weave,achanda/weave,bboreham/weave,aaam/weave,rade/weave,awh/weave,n054/weave,squaremo/weave,awanke/weave,aaam/weave,2opremio/weave,tomwilkie/weave,paulbellamy/weave,n054/weave,cgvarela/weave,awanke/weave,kidaa/weave,achanda/weave,weaveworks/weave,2opremio/weave,paulbellamy/weave,dpw/weave,narry/weave,achanda/weave,inercia/weave,n054/weave,narry/weave,philipz/weave,dpw/weave,squaremo/weave,kidaa/weave,BWITS/weave,inercia/weave,errordeveloper/weave,inercia/weave,errordeveloper/weave,beni55/weave,OnePaaS/weave,beni55/weave,tomwilkie/weave,bboreham/weave,beni55/weave,OnePaaS/weave,narry/weave,bboreham/weave,kidaa/weave,aaam/weave,rade/weave,squaremo/weave,paladin74/weave,dpw/weave,awh/weave,paladin74/weave,achanda/weave,BWITS/weave,philipz/weave,paladin74/weave,aaam/weave,cgvarela/weave,narry/weave,dpw/weave,errordeveloper/weave,n054/weave,achanda/weave,awanke/weave,inercia/weave,ycaihua/weave,OnePaaS/weave,paladin74/weave,beni55/weave,ycaihua/weave,cgvarela/weave,philipz/weave,awh/weave,philipz/weave,2opremio/weave,ycaihua/weave,cgvarela/weave,BWITS/weave,rade/weave,weaveworks/weave,awh/weave,tomwilkie/weave,n054/weave,awanke/weave,ycaihua/weave,weaveworks/weave,tomwilkie/weave,OnePaaS/weave,ycaihua/weave,paladin74/weave,errordeveloper/weave,2opremio/weave,awanke/weave,kidaa/weave,cgvarela/weave,awh/weave,dpw/weave,BWITS/weave,rade/weave,tomwilkie/weave,rade/weave,philipz/weave,kidaa/weave,narry/weave,bboreham/weave,weaveworks/weave,squaremo/weave,aaam/weave