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Caolán McNamara fe9db2c8e1 ofz#557542656 negation of -2147483648 cannot be represented

drawinglayer/source/tools/emfphelperdata.cxx:451:83: runtime error: negation of -2147483648 cannot be represented in type 'sal_Int32' (aka 'int'); cast to an unsigned type to negate this value to itself
     #0 0x7b71c0dc8ec7 in emfplushelper::EmfPlusHelperData::mappingChanged() drawinglayer/source/tools/emfphelperdata.cxx:451:83
     #1 0x7b71c0de6a2d in emfplushelper::EmfPlusHelperData::EmfPlusHelperData(SvMemoryStream&, wmfemfhelper::TargetHolders&, wmfemfhelper::PropertyHolders&) drawinglayer/source/tools/emfphelperdata.cxx:1503:9
     #2 0x7b71c0dc0059 in emfplushelper::EmfPlusHelper::EmfPlusHelper(SvMemoryStream&, wmfemfhelper::TargetHolders&, wmfemfhelper::PropertyHolders&) drawinglayer/source/tools/emfplushelper.cxx:29:17
     #3 0x7b71c0f31dc6 in wmfemfhelper::implInterpretMetafile(GDIMetaFile const&, wmfemfhelper::TargetHolders&, wmfemfhelper::PropertyHolders&, drawinglayer::geometry::ViewInformation2D const&) drawinglayer/source/tools/wmfemfhelper.cxx:2923:37
     #4 0x7b71c0f19d51 in wmfemfhelper::interpretMetafile(GDIMetaFile const&, drawinglayer::geometry::ViewInformation2D const&) drawinglayer/source/tools/wmfemfhelper.cxx:2993:9
     #5 0x7b71c0a70d93 in drawinglayer::primitive2d::MetafilePrimitive2D::create2DDecomposition(drawinglayer::geometry::ViewInformation2D const&) const drawinglayer/source/primitive2d/metafileprimitive2d.cxx:42:42
     #6 0x7f71deb27e4f in drawinglayer::primitive2d::BufferedDecompositionPrimitive2D::get2DDecomposition(drawinglayer::primitive2d::Primitive2DDecompositionVisitor&, drawinglayer::geometry::ViewInformation2D const&) const drawinglayer/source/primitive2d/BufferedDecompositionPrimitive2D.cxx:90:41
     #7 0x7b71c0a727d5 in TestImportWMF drawinglayer/source/primitive2d/metafileprimitive2d.cxx:149:16

so negate the frame offsets as doubles

Signed-off-by: Caolán McNamara <caolan.mcnamara@collabora.com>
Change-Id: I2cf478245f30f4573bfa5ccb2c6dcbe5c603e38b
Reviewed-on: https://gerrit.collaboraoffice.com/c/online/+/11528
Tested-by: Jenkins CPCI <releng@collaboraoffice.com>
Reviewed-by: Noel Grandin <noel.grandin@collabora.com>
(cherry picked from commit f6f1f208a87c2a725e5c20c6a7453fa5679eca76)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/210540
Tested-by: Jenkins
Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org>