Resolves: tdf#132338 combobox 1 character narrower than it used to be

Change-Id: I9b24c654a9d209c5d52eebf852b6dca436a782b3
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/92742
Tested-by: Caolán McNamara <caolanm@redhat.com>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
diff --git a/svx/source/tbxctrls/tbcontrl.cxx b/svx/source/tbxctrls/tbcontrl.cxx
index 6c221b2..3e47e41 100644
--- a/svx/source/tbxctrls/tbcontrl.cxx
+++ b/svx/source/tbxctrls/tbcontrl.cxx
@@ -1400,7 +1400,7 @@ SvxFontNameBox_Base::SvxFontNameBox_Base(std::unique_ptr<weld::ComboBox> xWidget
                                         const Reference<XFrame>& rFrame,
                                         SvxFontNameToolBoxControl& rCtrl)
    : m_rCtrl(rCtrl)
    , m_nCharWidth(xWidget->get_approximate_digit_width() * 15)
    , m_nCharWidth(xWidget->get_approximate_digit_width() * 16)
    , m_xWidget(new FontNameBox(std::move(xWidget)))
    , pFontList(nullptr)
    , nFtCount(0)