Changes in fro_io.C for -Wshadow.
Changes in fro_io.C for -Wshadow.

Issue #24.

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