Added stub for CertFreeCertificateContext.

dlls/crypt32/crypt32.spec

@@ -42,7 +42,7 @@
 @ stub CertFreeCTLContext
 @ stub CertFreeCertificateChain
 @ stub CertFreeCertificateChainEngine
-@ stub CertFreeCertificateContext
+@ stdcall CertFreeCertificateContext(ptr)
 @ stub CertGetCRLContextProperty
 @ stub CertGetCRLFromStore
 @ stub CertGetCTLContextProperty

dlls/crypt32/main.c

@@ -293,3 +293,9 @@ BOOL WINAPI CertCloseStore( HCERTSTORE hCertStore, DWORD dwFlags )
     FIXME("%p %08lx\n", hCertStore, dwFlags );
     return TRUE;
 }
+
+BOOL WINAPI CertFreeCertificateContext( PCCERT_CONTEXT pCertContext )
+{
+    FIXME("%p stub\n", pCertContext);
+    return TRUE;
+}