coverity#707562 : Unitialized scalar variable

Change-Id: I3e3bebb25c5d2509de7017ece49d927f1d59c592
Reviewed-on: https://gerrit.libreoffice.org/4403Reviewed-by: Eike Rathke <erack@redhat.com>
Tested-by: Eike Rathke <erack@redhat.com>

vcl/source/gdi/outdev3.cxx

@@ -7172,6 +7172,7 @@ SystemTextLayoutData OutputDevice::GetSysTextLayoutData(const Point& rStartPt, c
     SystemTextLayoutData aSysLayoutData;
     aSysLayoutData.nSize = sizeof(aSysLayoutData);
     aSysLayoutData.rGlyphData.reserve( 256 );
+    aSysLayoutData.orientation = 0;
 
     if ( mpMetaFile )
     {