mod_ssl: Fix -Werror=unused-value in ssl_var_lookup_ssl_cert_data().

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1896008 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/modules/ssl/ssl_engine_vars.c b/modules/ssl/ssl_engine_vars.c
index 08994c177ddb058fc470e8522a0df8a4918e3c73..6598ec323b1dfce3bf92dc1b257867a4ac1d1a3a 100644 (file)
--- a/modules/ssl/ssl_engine_vars.c
+++ b/modules/ssl/ssl_engine_vars.c
@@ -92,7 +92,7 @@ static const char *ssl_var_lookup_ssl_cert_data(apr_pool_t *p, X509 *xs,
         BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
         b64 = BIO_push(b64, bio);
         i2d_X509_bio(b64, xs);
-        BIO_flush(b64); /* ensures trailing bytes are padded */
+        (void)BIO_flush(b64); /* ensures trailing bytes are padded */
         BIO_pop(b64);
         BIO_free(b64);
     }