* Do not write the trailing \0 when exporting data.

test/export.c

@@ -99,7 +99,7 @@ int main(int argc, char *argv[])
     cucul_putstr(qq, WIDTH / 2 - 7, HEIGHT / 2, "    LIBCACA    ");
 
     buffer = cucul_export(qq, format);
-    fwrite(buffer->buffer, buffer->size, 1, stdout);
+    fwrite(buffer->buffer, buffer->size - 1, 1, stdout);
     cucul_free(buffer);
 
     cucul_end(qq);