[General] Don't do a attrmap subst if it's a default value
[General] Don't do a attrmap subst if it's a default value

eaglebk/rib,suoko/rib,suoko/rib,jsphkhan/rib,amithnair/rib,2braincells2go/rib,pplaquette/rib,carlst/rib,Galen-Titanium/rib,modulexcite/rib,carlst/rib,Galen-Titanium/rib,KevinChanH/rib,crazyart/rib,2braincells2go/rib,amithnair/rib,jsphkhan/rib,byjg/rib,vevedh/rib,2braincells2go/rib,01org/rib,01org/rib,maxyu/rib,DonnaWuDongxia/rib,crazyart/rib,KevinChanH/rib,xuzhang/rib,DonnaWuDongxia/rib,zhizhangchen/rib,crazyart/rib,b-cuts/rib,VIP000/rib,byjg/rib,jmptrader/rib,maxyu/rib,01org/rib,modulexcite/rib,xuqingkuang/rib,vevedh/rib,taubmann/rib,smallertomato/rib,ndkeren/rib,b-cuts/rib,Galen-Titanium/rib,jmptrader/rib,xuqingkuang/rib,wuyongfeng/rib,b-cuts/rib,suoko/rib,cubemoon/rib,wuyongfeng/rib,jmptrader/rib,modulexcite/rib,VIP000/rib,ndkeren/rib,pplaquette/rib,amithnair/rib,taubmann/rib,Safiya85/rib,eaglebk/rib,smallertomato/rib,KevinChanH/rib,cubemoon/rib,Safiya85/rib,xuzhang/rib