tests: Add missing PrintfFormat attribute

https://bugzilla.gnome.org/show_bug.cgi?id=657378

diff --git a/tests/structs/bug657378.vala b/tests/structs/bug657378.vala
index 5ba8263662d9be3a9fda4f33394f9215803bae83..91c21960f276c98b5550d5187551c5db5676309b 100644 (file)
--- a/tests/structs/bug657378.vala
+++ b/tests/structs/bug657378.vala
@@ -1,3 +1,4 @@
+[PrintfFormat]
 string foo (string format, ...) {
        return format.vprintf (va_list ());
 }