Remove set-but-unused variable.
Remove set-but-unused variable.

svallaghe/libmesh,roystgnr/libmesh,jwpeterson/libmesh,roystgnr/libmesh,capitalaslash/libmesh,pbauman/libmesh,libMesh/libmesh,hrittich/libmesh,90jrong/libmesh,giorgiobornia/libmesh,svallaghe/libmesh,90jrong/libmesh,balborian/libmesh,hrittich/libmesh,capitalaslash/libmesh,svallaghe/libmesh,dschwen/libmesh,90jrong/libmesh,giorgiobornia/libmesh,capitalaslash/libmesh,BalticPinguin/libmesh,hrittich/libmesh,dschwen/libmesh,90jrong/libmesh,roystgnr/libmesh,BalticPinguin/libmesh,BalticPinguin/libmesh,giorgiobornia/libmesh,hrittich/libmesh,jwpeterson/libmesh,libMesh/libmesh,capitalaslash/libmesh,jwpeterson/libmesh,90jrong/libmesh,BalticPinguin/libmesh,roystgnr/libmesh,svallaghe/libmesh,giorgiobornia/libmesh,dschwen/libmesh,hrittich/libmesh,BalticPinguin/libmesh,balborian/libmesh,90jrong/libmesh,BalticPinguin/libmesh,libMesh/libmesh,pbauman/libmesh,giorgiobornia/libmesh,giorgiobornia/libmesh,libMesh/libmesh,roystgnr/libmesh,roystgnr/libmesh,balborian/libmesh,roystgnr/libmesh,hrittich/libmesh,balborian/libmesh,balborian/libmesh,pbauman/libmesh,roystgnr/libmesh,balborian/libmesh,90jrong/libmesh,90jrong/libmesh,svallaghe/libmesh,jwpeterson/libmesh,dschwen/libmesh,dschwen/libmesh,dschwen/libmesh,pbauman/libmesh,dschwen/libmesh,jwpeterson/libmesh,dschwen/libmesh,balborian/libmesh,pbauman/libmesh,svallaghe/libmesh,balborian/libmesh,balborian/libmesh,capitalaslash/libmesh,libMesh/libmesh,pbauman/libmesh,giorgiobornia/libmesh,capitalaslash/libmesh,hrittich/libmesh,BalticPinguin/libmesh,BalticPinguin/libmesh,90jrong/libmesh,balborian/libmesh,hrittich/libmesh,pbauman/libmesh,jwpeterson/libmesh,svallaghe/libmesh,pbauman/libmesh,svallaghe/libmesh,hrittich/libmesh,giorgiobornia/libmesh,capitalaslash/libmesh,giorgiobornia/libmesh,libMesh/libmesh,libMesh/libmesh,capitalaslash/libmesh,jwpeterson/libmesh,jwpeterson/libmesh,pbauman/libmesh,svallaghe/libmesh,libMesh/libmesh