Fix build error for C89-only compilers

diff --git a/test/test_conf.c b/test/test_conf.c
index 802974f4d9736005b55bb6557b6986e383280cc6..bef9eddcd19dda2d432d88b2d202fee0e35c7b6a 100644 (file)
--- a/test/test_conf.c
+++ b/test/test_conf.c
@@ -83,9 +83,9 @@ TEST(conf_create)
 TEST(conf_read_valid_config)
 {
        struct conf *conf = conf_create();
-       char *errmsg;
+       char *errmsg, *user;
        putenv("USER=rabbit");
-       const char *user = getenv("USER");
+       user = getenv("USER");
        CHECK_STR_EQ("rabbit", user);
        create_file(
                "ccache.conf",