guestfish: diagnose stdout write failure

Use gnulib's closeout module to ensure any failure to write to
stdout is detected and reported.
* fish/fish.c: Include "closeout.h".
(main): Call atexit (close_stdout);
* bootstrap (modules): Add closeout.

1 files changed, 1 insertions, 0 deletions

diff --git a/bootstrap b/bootstrap
index 3fd8811e..f5f8aafc 100755
--- a/bootstrap
+++ b/bootstrap
@@ -50,6 +50,7 @@ gnulib_tool=$GNULIB_SRCDIR/gnulib-tool
 (cd daemon && mkdir -p tests lib && ../$gnulib_tool --update)
 
 modules='
+closeout
 gitlog-to-changelog
 gnu-make
 gnumakefile