Don't close a negative file descriptor

* src/inp.c (re_input): Don't close FD if it's negative.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/inp.c b/src/inp.c
index 9cc140f..6387587 100644
--- a/src/inp.c
+++ b/src/inp.c
@@ -61,7 +61,8 @@ re_input (void)
 	}
     }
     else {
-	close (tifd);
+	if (tifd >= 0)
+	  close (tifd);
 	tifd = -1;
 	if (tibuf[0])
 	  {