sfx2: use range-based for loop in lokhelper

Change-Id: I7c3421231dd74c8d1e2678a6aee92288fdd3221a
diff --git a/sfx2/source/view/lokhelper.cxx b/sfx2/source/view/lokhelper.cxx
index 8225474..36203ce 100644
--- a/sfx2/source/view/lokhelper.cxx
+++ b/sfx2/source/view/lokhelper.cxx
@@ -40,9 +40,8 @@ void SfxLokHelper::destroyView(int nId)
    unsigned nViewShellId = nId;
    SfxViewShellArr_Impl& rViewArr = SfxGetpApp()->GetViewShells_Impl();

    for (std::size_t i = 0; i < rViewArr.size(); ++i)
    for (SfxViewShell* pViewShell : rViewArr)
    {
        SfxViewShell* pViewShell = rViewArr[i];
        if (pViewShell->GetViewShellId() == nViewShellId)
        {
            SfxViewFrame* pViewFrame = pViewShell->GetViewFrame();
@@ -58,9 +57,8 @@ void SfxLokHelper::setView(int nId)
    unsigned nViewShellId = nId;
    SfxViewShellArr_Impl& rViewArr = SfxGetpApp()->GetViewShells_Impl();

    for (std::size_t i = 0; i < rViewArr.size(); ++i)
    for (SfxViewShell* pViewShell : rViewArr)
    {
        SfxViewShell* pViewShell = rViewArr[i];
        if (pViewShell->GetViewShellId() == nViewShellId)
        {
            if (pViewShell == SfxViewShell::Current())