Fix typo in ifndef OPENSSL_NO_ENGINES.
All other instances are OPENSSL_NO_ENGINE without the trailing "S".
Fixes build when configured with no-engine.
CLA: trivial
@@ -845,7 +845,7 @@ static int SortFnByName(const void *_f1, const void *_f2)
static void list_engines(void)
{
-#ifndef OPENSSL_NO_ENGINES
+#ifndef OPENSSL_NO_ENGINE
ENGINE *e;
BIO_puts(bio_out, "Engines:\n");
