Avoid using non-portable `echo -n` in tests.

diff --git a/userdiff.h b/userdiff.h
index 1c1eb042b44fc9e5085c34ffbd06e7e55043580b..f29c18ffb302dc009d438a08800c4aa202fd2f12 100644 (file)
--- a/userdiff.h
+++ b/userdiff.h
@@ -11,6 +11,7 @@ struct userdiff_driver {
        const char *external;
        int binary;
        struct userdiff_funcname funcname;
+       const char *textconv;
 };
 
 int userdiff_config_basic(const char *k, const char *v);