Stub for CryptCATAdminReleaseContext.

diff --git a/dlls/wintrust/wintrust_main.c b/dlls/wintrust/wintrust_main.c
index c2ca1b4..9b7eb35 100644
--- a/dlls/wintrust/wintrust_main.c
+++ b/dlls/wintrust/wintrust_main.c
@@ -43,6 +43,16 @@
 }
 
 /***********************************************************************
+ *		CryptCATAdminReleaseContext (WINTRUST.@)
+ */
+BOOL WINAPI CryptCATAdminReleaseContext(HCATADMIN hCatAdmin, DWORD dwFlags )
+{
+    FIXME("%p %lx\n", hCatAdmin, dwFlags);
+    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+    return FALSE;
+}
+
+/***********************************************************************
  *		WinVerifyTrust (WINTRUST.@)
  */
 LONG WINAPI WinVerifyTrust( HWND hwnd, GUID *ActionID,  WINTRUST_DATA* ActionData )