sw: some old GCC apparently doesn't like that, let's try this

Change-Id: I1d6e74ae990faecfd3a28e0971ed6abe20bcef75
diff --git a/sw/source/uibase/inc/wrtsh.hxx b/sw/source/uibase/inc/wrtsh.hxx
index 2900b5e..70791c6 100644
--- a/sw/source/uibase/inc/wrtsh.hxx
+++ b/sw/source/uibase/inc/wrtsh.hxx
@@ -130,7 +130,7 @@ public:
        // is there a text- or frameselection?
    bool    HasSelection() const { return SwCursorShell::HasSelection() ||
                                        IsMultiSelection() || IsSelFrameMode() || IsObjSelected(); }
    bool    Pop(SwCursorShell::PopMode = PopMode::DeleteStack);
    bool    Pop(SwCursorShell::PopMode = SwCursorShell::PopMode::DeleteStack);

    void    EnterStdMode();
    bool    IsStdMode() const { return !m_bExtMode && !m_bAddMode && !m_bBlockMode; }