Changes in diva_io.C for -Wshadow.
Changes in diva_io.C for -Wshadow.

Issue #24.

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