Initialize ed.used_stdout at the beginning of do_extract()

This avoids reading uninitialized memory later.
Problem reported by Philip Guenther. Thanks.

Signed-off-by: Matthieu Herrb <matthieu.herrb@laas.fr>

1 files changed, 1 insertions, 0 deletions

diff --git a/process.c b/process.c
index 52a4868..893b51d 100644
--- a/process.c
+++ b/process.c
@@ -1500,6 +1500,7 @@ do_extract(char *inputfilename, int lineno, int argc, char **argv)
 
     ed.fp = NULL;
     ed.filename = argv[1];
+    ed.used_stdout = False;
     ed.numeric = (argv[0][0] == 'n');
     ed.nwritten = 0;
     ed.cmd = argv[0];