[WS2_32]

[WS2_32]
- Check for NULL pointers after HeapAlloc calls, in the constructor functions, before initializing members of created objects;
- Add a bunch of missing HeapFree in the corresponding destructor functions.
  In particular, fix the root cause of CID 1401152 in WsTpDelete: missing HeapFree call.
CORE-12880

svn path=/trunk/; revision=74043