[hackers] [blind] Fix blind-from-named || Mattias Andrée

[git]

commit e55c9ce583efdd740da7458812d3253d9f4895ae
Author:     Mattias Andrée <maand...@kth.se>
AuthorDate: Thu May 25 19:00:15 2017 +0200
Commit:     Mattias Andrée <maand...@kth.se>
CommitDate: Thu May 25 19:00:15 2017 +0200

    Fix blind-from-named
    
    Signed-off-by: Mattias Andrée <maand...@kth.se>

diff --git a/src/blind-from-named.c b/src/blind-from-named.c
index ee053f2..47b9a6e 100644
--- a/src/blind-from-named.c
+++ b/src/blind-from-named.c
@@ -92,9 +92,9 @@ main(int argc, char *argv[])
        default:
                usage();
        } ARGEND;
-       if (argc < 1 || (filedes >= 0 && argc > 1))
+       if (argc < 1 || (filedes >= 0 && argc == 1))
                usage();
-       if (argc > 0 && filedes < 0)
+       if (filedes < 0)
                filedes = STDIN_FILENO;
 
        memset(&addr, 0, sizeof(addr));