EMF+: Stroke size is always supposed to be absolute.

Change-Id: I7221311e5dee6384dc2d1c071bf6f1c61811895a

cppcanvas/source/mtfrenderer/emfplus.cxx

@@ -625,7 +625,7 @@ namespace cppcanvas
                     SAL_INFO ("cppcanvas.emf", "TODO: pen with zero width - using minimal which might not be correct\n");
                 }
 #endif
-                rStrokeAttributes.StrokeWidth = (rState.mapModeTransform * rR.MapSize (width == 0.0 ? 0.05 : width, 0)).getX ();
+                rStrokeAttributes.StrokeWidth = fabs((rState.mapModeTransform * rR.MapSize (width == 0.0 ? 0.05 : width, 0)).getX());
             }
 
             void Read (SvStream& s, ImplRenderer& rR, sal_Int32, sal_Int32 )