UMR in CRYPT_RemoveStringFromMultiString()

[Dan Kegel]

Hi Juan,
http://kegel.com/wine/valgrind/logs/2009-11-18-21.51/vg-crypt32_oid.txt
says
 Invalid read of size 1
    at  memmove (mc_replace_strmem.c:613)
    by  CRYPT_RemoveStringFromMultiString (oid.c:885)
    by  CryptUnregisterDefaultOIDFunction (oid.c:1010)
    by  test_registerDefaultOIDFunction (oid.c:437)
    by  func_oid (oid.c:601)
    by  run_test (test.h:535)
    by  main (test.h:585)
  Address 0x7f040ed4 is 0 bytes after a block of size 44 alloc'd
    at  notify_alloc (heap.c:279)
    by  RtlAllocateHeap (heap.c:1521)
    by  CryptMemAlloc (main.c:125)
    by  CRYPT_GetDefaultOIDDlls (oid.c:930)
    by  CryptUnregisterDefaultOIDFunction (oid.c:1009)
    by  test_registerDefaultOIDFunction (oid.c:437)

This is near the code changed in
    crypt32: Don't copy past end of buffer when removing the last
string in a multistring.
- Dan