express: Check getenv(LOGNAME) for user name first before using getlogin()

Signed-off-by: Chris Michael <cp.michael@samsung.com>

src/bin/utils.c

@@ -108,7 +108,8 @@ _util_user_fullname_get(void)
    struct passwd *p;
    size_t n;
 
-   if (!(usr = getlogin())) return NULL;
+   if (!(usr = getenv("LOGNAME")))
+     if (!(usr = getlogin())) return NULL;
 
    p = getpwnam(usr);
    if ((!p) && (errno == 0)) return NULL;