the active document window should be radio entries

Change-Id: I90980345f4ea68dc15bacbf2c7abdf2d5d36a05d
diff --git a/sc/source/ui/navipi/content.cxx b/sc/source/ui/navipi/content.cxx
index 657ddf6..a1f9ba8 100644
--- a/sc/source/ui/navipi/content.cxx
+++ b/sc/source/ui/navipi/content.cxx
@@ -617,7 +617,7 @@ void ScContentTree::Command( const CommandEvent& rCEvt )
                        else
                            aEntry += pParentWindow->aStrNotActive;
                        ++i;
                        aDocMenu->InsertItem(i, aEntry, MenuItemBits::TEXT, OString("document") + OString::number(i));
                        aDocMenu->InsertItem(i, aEntry, MenuItemBits::AUTOCHECK | MenuItemBits::RADIOCHECK, OString("document") + OString::number(i));
                        if ( !bHiddenDoc && aName == aManualDoc )
                            nPos = i;
                    }
@@ -625,7 +625,7 @@ void ScContentTree::Command( const CommandEvent& rCEvt )
                }
                //  "active window"
                ++i;
                aDocMenu->InsertItem(i, pParentWindow->aStrActiveWin, MenuItemBits::TEXT, OString("document") + OString::number(i));
                aDocMenu->InsertItem(i, pParentWindow->aStrActiveWin, MenuItemBits::AUTOCHECK | MenuItemBits::RADIOCHECK, OString("document") + OString::number(i));
                if (!bHiddenDoc && aManualDoc.isEmpty())
                    nPos = i;
                //  hidden document
@@ -634,7 +634,7 @@ void ScContentTree::Command( const CommandEvent& rCEvt )
                    OUString aEntry = aHiddenTitle;
                    aEntry += pParentWindow->aStrHidden;
                    ++i;
                    aDocMenu->InsertItem(i, aEntry, MenuItemBits::TEXT, OString("document") + OString::number(i));
                    aDocMenu->InsertItem(i, aEntry, MenuItemBits::AUTOCHECK | MenuItemBits::RADIOCHECK, OString("document") + OString::number(i));
                    if (bHiddenDoc)
                        nPos = i;
                }