Changes in cell_hex.C for -Wshadow.
Changes in cell_hex.C for -Wshadow.

Issue #24.

dknez/libmesh,capitalaslash/libmesh,salazardetroya/libmesh,dschwen/libmesh,90jrong/libmesh,markcmiller86/libmesh_silo,coreymbryant/libmesh,dknez/libmesh,roystgnr/libmesh,roystgnr/libmesh,BalticPinguin/libmesh,cahaynes/libmesh,friedmud/libmesh,permcody/libmesh,svallaghe/libmesh,libMesh/libmesh,libMesh/libmesh,hrittich/libmesh,benkirk/libmesh,balborian/libmesh,Mbewu/libmesh,giorgiobornia/libmesh,BalticPinguin/libmesh,90jrong/libmesh,cahaynes/libmesh,cahaynes/libmesh,aeslaughter/libmesh,dschwen/libmesh,balborian/libmesh,svallaghe/libmesh,jwpeterson/libmesh,libMesh/libmesh,benkirk/libmesh,hrittich/libmesh,dknez/libmesh,hrittich/libmesh,hrittich/libmesh,markcmiller86/libmesh_silo,jwpeterson/libmesh,friedmud/libmesh,markcmiller86/libmesh_silo,roystgnr/libmesh,capitalaslash/libmesh,Mbewu/libmesh,aeslaughter/libmesh,karpeev/libmesh,balborian/libmesh,dmcdougall/libmesh,benkirk/libmesh,friedmud/libmesh,friedmud/libmesh,90jrong/libmesh,permcody/libmesh,BalticPinguin/libmesh,BalticPinguin/libmesh,jiangwen84/libmesh,markcmiller86/libmesh_silo,jwpeterson/libmesh,vikramvgarg/libmesh,balborian/libmesh,salazardetroya/libmesh,roystgnr/libmesh,cahaynes/libmesh,permcody/libmesh,dmcdougall/libmesh,BalticPinguin/libmesh,coreymbryant/libmesh,dmcdougall/libmesh,BalticPinguin/libmesh,pbauman/libmesh,coreymbryant/libmesh,roystgnr/libmesh,jwpeterson/libmesh,karpeev/libmesh,benkirk/libmesh,vikramvgarg/libmesh,jiangwen84/libmesh,markcmiller86/libmesh_silo,svallaghe/libmesh,salazardetroya/libmesh,pbauman/libmesh,Mbewu/libmesh,vikramvgarg/libmesh,salazardetroya/libmesh,vikramvgarg/libmesh,pbauman/libmesh,jwpeterson/libmesh,balborian/libmesh,aeslaughter/libmesh,cahaynes/libmesh,salazardetroya/libmesh,dmcdougall/libmesh,friedmud/libmesh,pbauman/libmesh,jiangwen84/libmesh,pbauman/libmesh,dschwen/libmesh,dmcdougall/libmesh,karpeev/libmesh,Mbewu/libmesh,markcmiller86/libmesh_silo,friedmud/libmesh,capitalaslash/libmesh,coreymbryant/libmesh,BalticPinguin/libmesh,hrittich/libmesh,dknez/libmesh,salazardetroya/libmesh,coreymbryant/libmesh,Mbewu/libmesh,permcody/libmesh,karpeev/libmesh,jiangwen84/libmesh,pbauman/libmesh,friedmud/libmesh,coreymbryant/libmesh,vikramvgarg/libmesh,permcody/libmesh,giorgiobornia/libmesh,svallaghe/libmesh,cahaynes/libmesh,balborian/libmesh,aeslaughter/libmesh,aeslaughter/libmesh,svallaghe/libmesh,karpeev/libmesh,capitalaslash/libmesh,aeslaughter/libmesh,Mbewu/libmesh,svallaghe/libmesh,vikramvgarg/libmesh,libMesh/libmesh,balborian/libmesh,balborian/libmesh,vikramvgarg/libmesh,markcmiller86/libmesh_silo,salazardetroya/libmesh,capitalaslash/libmesh,salazardetroya/libmesh,balborian/libmesh,benkirk/libmesh,90jrong/libmesh,karpeev/libmesh,hrittich/libmesh,jiangwen84/libmesh,jiangwen84/libmesh,jiangwen84/libmesh,giorgiobornia/libmesh,markcmiller86/libmesh_silo,90jrong/libmesh,90jrong/libmesh,coreymbryant/libmesh,dknez/libmesh,roystgnr/libmesh,giorgiobornia/libmesh,90jrong/libmesh,friedmud/libmesh,Mbewu/libmesh,benkirk/libmesh,90jrong/libmesh,permcody/libmesh,svallaghe/libmesh,roystgnr/libmesh,cahaynes/libmesh,aeslaughter/libmesh,jiangwen84/libmesh,jwpeterson/libmesh,dschwen/libmesh,jwpeterson/libmesh,benkirk/libmesh,dschwen/libmesh,dmcdougall/libmesh,balborian/libmesh,giorgiobornia/libmesh,libMesh/libmesh,BalticPinguin/libmesh,libMesh/libmesh,dschwen/libmesh,dschwen/libmesh,jwpeterson/libmesh,pbauman/libmesh,dknez/libmesh,aeslaughter/libmesh,Mbewu/libmesh,capitalaslash/libmesh,dmcdougall/libmesh,dschwen/libmesh,dknez/libmesh,roystgnr/libmesh,capitalaslash/libmesh,benkirk/libmesh,giorgiobornia/libmesh,pbauman/libmesh,giorgiobornia/libmesh,dmcdougall/libmesh,aeslaughter/libmesh,cahaynes/libmesh,pbauman/libmesh,benkirk/libmesh,hrittich/libmesh,dknez/libmesh,hrittich/libmesh,karpeev/libmesh,capitalaslash/libmesh,hrittich/libmesh,vikramvgarg/libmesh,coreymbryant/libmesh,giorgiobornia/libmesh,libMesh/libmesh,giorgiobornia/libmesh,Mbewu/libmesh,friedmud/libmesh,karpeev/libmesh,permcody/libmesh,svallaghe/libmesh,vikramvgarg/libmesh,90jrong/libmesh,permcody/libmesh,svallaghe/libmesh,libMesh/libmesh