regression from

commit 820576af
Author: Noel Grandin <noel@peralex.com>
Date:   Thu Mar 19 13:54:12 2015 +0200

    start wrapping OutputDevice in VclPtr

 9,800 (568 direct, 9,232 indirect) bytes in 1 blocks are definitely lost in loss record 12,696 of 12,898
    by 0xC602E72: ScopedVclPtrInstance<VirtualDevice>::ScopedVclPtrInstance<>() (vclptr.hxx:375)

Change-Id: I356f39c339fd28a9e19a00d61b6f1bee492f2638