fix test

diff --git a/tests/iconv/iconv.psi b/tests/iconv/iconv.psi
index 1bcf00064f99e4a0d1ff3d756aadc970946b54f1..dc0aedee9ddc56c402314a8bd41aeed740c590ed 100644 (file)
--- a/tests/iconv/iconv.psi
+++ b/tests/iconv/iconv.psi
@@ -1,3 +1,5 @@
+#include <stddef.h>
+
 extern void *iconv_open(char *tocode, char *fromcode);
 function psi\iconv_open(string $to, string $from) : object {
        let tocode = strval($to);