crypt32: Fix memory leak in failure cases.

dlls/crypt32/cert.c

@@ -160,7 +160,7 @@ PCCERT_CONTEXT WINAPI CertCreateCertificateContext(DWORD dwCertEncodingType,
         data = CryptMemAlloc(cbCertEncoded);
         if (!data)
         {
-            CryptMemFree(cert);
+            CertFreeCertificateContext(cert);
             cert = NULL;
             goto end;
         }

dlls/crypt32/crl.c

@@ -58,7 +58,7 @@ PCCRL_CONTEXT WINAPI CertCreateCRLContext(DWORD dwCertEncodingType,
         data = CryptMemAlloc(cbCrlEncoded);
         if (!data)
         {
-            CryptMemFree(crl);
+            CertFreeCRLContext(crl);
             crl = NULL;
             goto end;
         }

dlls/crypt32/ctl.c

@@ -447,7 +447,7 @@ PCCTL_CONTEXT WINAPI CertCreateCTLContext(DWORD dwMsgAndCertEncodingType,
 end:
     if (!ret)
     {
-        CryptMemFree(ctl);
+        CertFreeCTLContext(ctl);
         ctl = NULL;
         LocalFree(ctlInfo);
         CryptMemFree(content);