Avoid assertion violations in close_infile_unwind

* src/lread.c (close_infile_unwind): A temporary band-aid solution
for bug#27642: allow 'infile' be NULL.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/lread.c b/src/lread.c
index 4d1a27d1c1d..fe5de382677 100644
--- a/src/lread.c
+++ b/src/lread.c
@@ -1066,7 +1066,7 @@ static void
 close_infile_unwind (void *arg)
 {
   FILE *stream = arg;
-  eassert (infile->stream == stream);
+  eassert (infile == NULL || infile->stream == stream);
   infile = NULL;
   fclose (stream);
 }