Changes in dof_map.C for -Wshadow.
Changes in dof_map.C for -Wshadow.

Issue #24.

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