Fix warning when !LIBMESH_HAVE_PARMETIS.
Fix warning when !LIBMESH_HAVE_PARMETIS.

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