[Bug 36201] valgrind shows a definite leak under crypt32/tests/store.c

https://bugs.winehq.org/show_bug.cgi?id=36201

--- Comment #1 from Austin English  ---
Another one:
==18776== 48 bytes in 1 blocks are definitely lost in loss record 217 of 458
==18776==    at 0x7BC4C6B7: notify_alloc (heap.c:255)
==18776==    by 0x7BC50EFB: RtlAllocateHeap (heap.c:1716)
==18776==    by 0x514398B: CryptMemAlloc (main.c:124)
==18776==    by 0x511E5A6: Context_CreateLinkContext (context.c:60)
==18776==    by 0x510AB00: Cert_clone (cert.c:127)
==18776==    by 0x511D199: CRYPT_CollectionCreateContextFromChild
(collectionstore.c:85)
==18776==    by 0x511D485: CRYPT_CollectionAdvanceEnum (collectionstore.c:174)
==18776==    by 0x511D6EE: Collection_enumCert (collectionstore.c:247)
==18776==    by 0x5165CB9: CertEnumCertificatesInStore (store.c:946)
==18776==    by 0x4EA9007: testCollectionStore (store.c:602)
==18776==    by 0x4EB2BF4: func_store (store.c:2790)
==18776==    by 0x4EB7F67: run_test (test.h:584)
==18776==    by 0x4EB8356: main (test.h:654)
==18776==