Pull n_nodes() outside the loop
Pull n_nodes() outside the loop

It's virtual but unchanging so we shouldn't call it more than once.

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