Changes in statistics.C for -Wshadow.
Changes in statistics.C for -Wshadow.

Issue #24.

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