Avoid unused variable warning in new m4 test
Avoid unused variable warning in new m4 test

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