ofz#58830 Container-overflow READ 1

Change-Id: I7786a63c4cad8e4538b108a06551ff274a0ddcc6
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/151658
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>

emfio/source/reader/emfreader.cxx

@@ -993,6 +993,7 @@ namespace emfio
                             }
                         }
                         if (wrongFile) break;
+                        nPointsCount = std::min(aPoints.size(), aPointTypes.size());
                         for (sal_uInt32 i = 0; i < nPointsCount; i++)
                         {
                             if (aPointTypes[i] == PT_MOVETO)