input: stdin is 0, not 1

Oops. I can never remember this right.

1 files changed, 1 insertions, 1 deletions

diff --git a/input/pipe.c b/input/pipe.c
index a961debba7..3740c22168 100644
--- a/input/pipe.c
+++ b/input/pipe.c
@@ -41,7 +41,7 @@ static void *reader_thread(void *ctx)
     int fd = -1;
     bool close_fd = true;
     if (strcmp(p->filename, "/dev/stdin") == 0) { // mainly for win32
-        fd = 1;
+        fd = fileno(stdin);
         close_fd = false;
     }
     if (fd < 0)