Fix cache_elem_dims() when LIBMESH_DIM==1
Fix cache_elem_dims() when LIBMESH_DIM==1

balborian/libmesh,balborian/libmesh,dschwen/libmesh,giorgiobornia/libmesh,pbauman/libmesh,capitalaslash/libmesh,pbauman/libmesh,roystgnr/libmesh,dschwen/libmesh,benkirk/libmesh,jwpeterson/libmesh,pbauman/libmesh,vikramvgarg/libmesh,giorgiobornia/libmesh,svallaghe/libmesh,vikramvgarg/libmesh,friedmud/libmesh,svallaghe/libmesh,roystgnr/libmesh,giorgiobornia/libmesh,90jrong/libmesh,capitalaslash/libmesh,BalticPinguin/libmesh,hrittich/libmesh,friedmud/libmesh,pbauman/libmesh,coreymbryant/libmesh,dschwen/libmesh,hrittich/libmesh,capitalaslash/libmesh,benkirk/libmesh,capitalaslash/libmesh,pbauman/libmesh,aeslaughter/libmesh,vikramvgarg/libmesh,friedmud/libmesh,balborian/libmesh,balborian/libmesh,aeslaughter/libmesh,friedmud/libmesh,libMesh/libmesh,benkirk/libmesh,vikramvgarg/libmesh,libMesh/libmesh,friedmud/libmesh,hrittich/libmesh,hrittich/libmesh,hrittich/libmesh,aeslaughter/libmesh,balborian/libmesh,90jrong/libmesh,pbauman/libmesh,jwpeterson/libmesh,dschwen/libmesh,libMesh/libmesh,hrittich/libmesh,hrittich/libmesh,coreymbryant/libmesh,roystgnr/libmesh,benkirk/libmesh,BalticPinguin/libmesh,libMesh/libmesh,giorgiobornia/libmesh,dschwen/libmesh,roystgnr/libmesh,vikramvgarg/libmesh,jwpeterson/libmesh,giorgiobornia/libmesh,hrittich/libmesh,svallaghe/libmesh,aeslaughter/libmesh,benkirk/libmesh,balborian/libmesh,roystgnr/libmesh,dschwen/libmesh,capitalaslash/libmesh,roystgnr/libmesh,jwpeterson/libmesh,BalticPinguin/libmesh,coreymbryant/libmesh,coreymbryant/libmesh,vikramvgarg/libmesh,giorgiobornia/libmesh,roystgnr/libmesh,aeslaughter/libmesh,giorgiobornia/libmesh,giorgiobornia/libmesh,BalticPinguin/libmesh,BalticPinguin/libmesh,svallaghe/libmesh,roystgnr/libmesh,coreymbryant/libmesh,libMesh/libmesh,aeslaughter/libmesh,vikramvgarg/libmesh,90jrong/libmesh,svallaghe/libmesh,jwpeterson/libmesh,libMesh/libmesh,friedmud/libmesh,balborian/libmesh,jwpeterson/libmesh,benkirk/libmesh,90jrong/libmesh,jwpeterson/libmesh,pbauman/libmesh,capitalaslash/libmesh,aeslaughter/libmesh,jwpeterson/libmesh,friedmud/libmesh,balborian/libmesh,capitalaslash/libmesh,90jrong/libmesh,svallaghe/libmesh,friedmud/libmesh,dschwen/libmesh,dschwen/libmesh,coreymbryant/libmesh,90jrong/libmesh,libMesh/libmesh,giorgiobornia/libmesh,coreymbryant/libmesh,pbauman/libmesh,balborian/libmesh,benkirk/libmesh,hrittich/libmesh,pbauman/libmesh,90jrong/libmesh,libMesh/libmesh,aeslaughter/libmesh,BalticPinguin/libmesh,benkirk/libmesh,balborian/libmesh,svallaghe/libmesh,friedmud/libmesh,svallaghe/libmesh,coreymbryant/libmesh,BalticPinguin/libmesh,vikramvgarg/libmesh,capitalaslash/libmesh,90jrong/libmesh,aeslaughter/libmesh,90jrong/libmesh,vikramvgarg/libmesh,BalticPinguin/libmesh,svallaghe/libmesh,benkirk/libmesh