Changes in laspack_matrix.C for -Wshadow.
Changes in laspack_matrix.C for -Wshadow.

Issue #24.

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