lib-var-expand: Initialize providers to NULL

Satisifies older compilers

diff --git a/src/lib-var-expand/test-var-expand.c b/src/lib-var-expand/test-var-expand.c
index d3ce05cfdaf8e4f6f2050368df8655314663c8b2..6aa44cbcd5fda5a68c68ffcc055a1549c0dacc39 100644 (file)
--- a/src/lib-var-expand/test-var-expand.c
+++ b/src/lib-var-expand/test-var-expand.c
@@ -1354,6 +1354,7 @@ static void test_var_expand_split(void)
                        { .key = "user", .value = "remote user" },
                        VAR_EXPAND_TABLE_END
                },
+               .providers = NULL,
        };
 
        const char *prog =