Fix link failure against libressl.

diff --git a/src/lib-ssl-iostream/dovecot-openssl-common.c b/src/lib-ssl-iostream/dovecot-openssl-common.c
index 2bf6307ffa1db1d46c9b7cc468cfeb0416fa80b7..584eaf39862fef14062630e7b7a2b7efe728bf7c 100644 (file)
--- a/src/lib-ssl-iostream/dovecot-openssl-common.c
+++ b/src/lib-ssl-iostream/dovecot-openssl-common.c
@@ -101,7 +101,7 @@ bool dovecot_openssl_common_global_unref(void)
        ERR_remove_thread_state(NULL);
 #endif
        ERR_free_strings();
-#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined (LIBRESSL_VERSION_NUMBER)
        OPENSSL_cleanup();
 #endif
        return FALSE;