fix test

diff --git a/tests/idn/idn.psi b/tests/idn/idn.psi
index aaf0f810845f216494cb9a11e5f83409e97367c3..77afbc7fbe35277dfec5bf07804289eea918102e 100644 (file)
--- a/tests/idn/idn.psi
+++ b/tests/idn/idn.psi
@@ -1,6 +1,7 @@
 // libidn
 lib "idn";
 
+#include <stdlib.h>
 #include <idna.h>
 
 function idn\utf8_to_ascii(string $host, string &$result, int $flags = 0) : int {