ubsan: use WrapTextMode_MAKE_FIXED_SIZE instead of -1 as unset flag

Change-Id: I0d460c5a0c14d078623fb1669a529a411002cad0
Reviewed-on: https://gerrit.libreoffice.org/36009
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
diff --git a/writerfilter/source/dmapper/PropertyMap.cxx b/writerfilter/source/dmapper/PropertyMap.cxx
index 9add77d..2597f09 100644
--- a/writerfilter/source/dmapper/PropertyMap.cxx
+++ b/writerfilter/source/dmapper/PropertyMap.cxx
@@ -1557,7 +1557,7 @@ ParagraphProperties::ParagraphProperties() :
    m_nLines(0),
    m_w(-1),
    m_h(-1),
    m_nWrap((text::WrapTextMode)-1),
    m_nWrap(text::WrapTextMode_MAKE_FIXED_SIZE),
    m_hAnchor(-1),
    m_vAnchor(-1),
    m_x(-1),
@@ -1637,7 +1637,7 @@ void ParagraphProperties::ResetFrameProperties()
    m_nLines = 0;
    m_w = -1;
    m_h = -1;
    m_nWrap = (text::WrapTextMode)-1;
    m_nWrap = text::WrapTextMode_MAKE_FIXED_SIZE;
    m_hAnchor = -1;
    m_vAnchor = -1;
    m_x = -1;
diff --git a/writerfilter/source/rtftok/rtfdocumentimpl.cxx b/writerfilter/source/rtftok/rtfdocumentimpl.cxx
index 5981758..bafdd34 100644
--- a/writerfilter/source/rtftok/rtfdocumentimpl.cxx
+++ b/writerfilter/source/rtftok/rtfdocumentimpl.cxx
@@ -3272,7 +3272,7 @@ RTFShape::RTFShape()
      nVertOrientRelation(0),
      nHoriOrientRelationToken(0),
      nVertOrientRelationToken(0),
      nWrap((text::WrapTextMode)-1),
      nWrap(text::WrapTextMode_MAKE_FIXED_SIZE),
      bInBackground(false)
{
}
diff --git a/writerfilter/source/rtftok/rtfsdrimport.cxx b/writerfilter/source/rtftok/rtfsdrimport.cxx
index 28ef52f..18263f3 100644
--- a/writerfilter/source/rtftok/rtfsdrimport.cxx
+++ b/writerfilter/source/rtftok/rtfsdrimport.cxx
@@ -958,7 +958,7 @@ void RTFSdrImport::resolve(RTFShape& rShape, bool bClose, ShapeOrPict const shap
            xPropertySet->setPropertyValue("HoriOrientRelation", uno::makeAny(rShape.nHoriOrientRelation));
        if (rShape.nVertOrientRelation != 0)
            xPropertySet->setPropertyValue("VertOrientRelation", uno::makeAny(rShape.nVertOrientRelation));
        if (rShape.nWrap != (text::WrapTextMode)-1)
        if (rShape.nWrap != text::WrapTextMode_MAKE_FIXED_SIZE)
            xPropertySet->setPropertyValue("Surround", uno::makeAny(text::WrapTextMode(rShape.nWrap)));
        oox::ModelObjectHelper aModelObjectHelper(m_rImport.getModelFactory());
        if (aFillModel.moType.has())