Don't print errors if realpath isn't defined. r=@jsha
Don't print errors if realpath isn't defined. r=@jsha

kuba/boulder,josephyzhou/boulder,josephyzhou/boulder,KyleChamberlin/boulder,r0ro/boulder,devpaul/boulder,sophie-h/boulder,bifurcation/boulder,postfix/boulder,modulexcite/boulder,rolandshoemaker/boulder,bmw/boulder,mommel/boulder,jsha/boulder,benileo/boulder,benileo/boulder,ibukanov/boulder,ibukanov/boulder,jcjones/boulder,lmcro/boulder,lucasallan/boulder,rolandshoemaker/boulder,lucasallan/boulder,deserted/boulder,jfrazelle/boulder,KyleChamberlin/boulder,mehmooda/boulder,hlandauf/boulder,jsha/boulder,hlandauf/boulder,josephyzhou/boulder,julienschmidt/boulder,r0ro/boulder,bifurcation/boulder,mozmark/boulder,josephyzhou/boulder,modulexcite/boulder,bifurcation/boulder,lmcro/boulder,letsencrypt/boulder,sophie-h/boulder,deserted/boulder,r0ro/boulder,jmhodges/boulder,ZCloud-Firstserver/boulder,jmhodges/boulder,rolandshoemaker/boulder,lucasallan/boulder,bmw/boulder,kuba/boulder,jgillula/boulder,letsencrypt/boulder,mozmark/boulder,deserted/boulder,mommel/boulder,rolandshoemaker/boulder,tomclegg/boulder,jcjones/boulder,letsencrypt/boulder,jgillula/boulder,sophie-h/boulder,KyleChamberlin/boulder,julienschmidt/boulder,tomclegg/boulder,mozmark/boulder,devpaul/boulder,lmcro/boulder,lmcro/boulder,mehmooda/boulder,mozmark/boulder,benileo/boulder,tomclegg/boulder,postfix/boulder,kuba/boulder,kuba/boulder,jgillula/boulder,patf/boulder,mommel/boulder,KyleChamberlin/boulder,mehmooda/boulder,mehmooda/boulder,jfrazelle/boulder,ZCloud-Firstserver/boulder,jgillula/boulder,jsha/boulder,devpaul/boulder,jcjones/boulder,modulexcite/boulder,bmw/boulder,ZCloud-Firstserver/boulder,hlandauf/boulder,postfix/boulder,devpaul/boulder,r0ro/boulder,ZCloud-Firstserver/boulder,postfix/boulder,jfrazelle/boulder,jmhodges/boulder,jfrazelle/boulder,jmhodges/boulder,modulexcite/boulder,julienschmidt/boulder,mommel/boulder,julienschmidt/boulder,ibukanov/boulder,patf/boulder,deserted/boulder,benileo/boulder,tomclegg/boulder,patf/boulder,hlandauf/boulder,patf/boulder,jcjones/boulder