Avoid unused variable warning in some configs.
Avoid unused variable warning in some configs.

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