Apparently the thread spawned in decreaseRefCount runs and deletes
itself before the "m_hThread != 0" from osl::Thread::create is executed;
try a lame workaround for that.
==1877== Invalid read of size 8
==1877== at 0x2A70E546: osl::Thread::create() (in pyuno/unxlngx6/lib/libpyuno.so)
==1877== by 0x2A70E351: pyuno::decreaseRefCount(_is*, _object*) (in pyuno/unxlngx6/lib/libpyuno.so)
==1877== by 0x2A7092B4: pyuno::Adapter::~Adapter() (in pyuno/unxlngx6/lib/libpyuno.so)
==1877== by 0x2A709393: pyuno::Adapter::~Adapter() (in pyuno/unxlngx6/lib/libpyuno.so)
==1877== by 0x5EF2F64: cppu::OWeakObject::release() (weak.cxx:213)
==1877== by 0x2A70DE69:
==1877== Address 0x1ee30818 is 8 bytes inside a block of size 32 free'd
==1877== at 0x4A0662E: free (vg_replace_malloc.c:366)
==1877== by 0x4C44B62: rtl_freeMemory_SYSTEM(void*) (alloc_global.cxx:285)
==1877== by 0x4C44DC7: rtl_freeMemory (alloc_global.cxx:355)
==1877== by 0x2A70E41E: osl::Thread::operator delete(void*) (in pyuno/unxlngx6/lib/libpyuno.so)
==1877== by 0x2A70E6EF: pyuno::GCThread::~GCThread() (in pyuno/unxlngx6/lib/libpyuno.so)
==1877== by 0x2A70E303: pyuno::GCThread::onTerminated() (in pyuno/unxlngx6/lib/libpyuno.so)
==1877== by 0x2A70E671: threadFunc (in pyuno/unxlngx6/lib/libpyuno.so)
==1877== by 0x4C2E242: osl_thread_start_Impl (thread.c:292)
==1877== by 0x3C26607D8F: start_thread (pthread_create.c:309)
==1877== by 0x3C262EF48C: clone (clone.S:115)
