t3404: fix typo

diff --git a/config.c b/config.c
index 47b2ce1d5a753f11bb1876e709e6a7324aa47e54..10b5c957ae714e850c9029ac23f88be407db3173 100644 (file)
--- a/config.c
+++ b/config.c
@@ -162,7 +162,7 @@ void git_config_push_parameter(const char *text)
 {
        struct strbuf env = STRBUF_INIT;
        const char *old = getenv(CONFIG_DATA_ENVIRONMENT);
-       if (old) {
+       if (old && *old) {
                strbuf_addstr(&env, old);
                strbuf_addch(&env, ' ');
        }