Fix of double 'popstate' fire.
Fix of double 'popstate' fire.

njam/CM,alexispeter/CM,njam/CM,fauvel/CM,njam/CM,vogdb/cm,fvovan/CM,mariansollmann/CM,fvovan/CM,alexispeter/CM,cargomedia/CM,fvovan/CM,zazabe/cm,mariansollmann/CM,mariansollmann/CM,tomaszdurka/CM,zazabe/cm,fauvel/CM,cargomedia/CM,fvovan/CM,vogdb/cm,fauvel/CM,cargomedia/CM,njam/CM,fauvel/CM,alexispeter/CM,alexispeter/CM,tomaszdurka/CM,vogdb/cm,zazabe/cm,vogdb/cm,zazabe/cm,njam/CM,vogdb/cm,fauvel/CM,tomaszdurka/CM,cargomedia/CM,tomaszdurka/CM,mariansollmann/CM,tomaszdurka/CM