replace numerical signal names with symbolical
---
 contrib/fix-info-dir |    6 +++---
 contrib/fixfonts     |    2 +-
 util/texi2dvi        |    2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

--- texinfo_71.orig/util/texi2dvi
+++ texinfo_71/util/texi2dvi
@@ -1869,7 +1869,7 @@
              $SED "s,^$orig_pwd/,,;s,^\./,,;s,/,!,g"`
   esac
   # Remove it at exit if clean mode.
-  trap "cleanup" 0 1 2 15
+  trap "cleanup" 0 HUP INT TERM
 
   ensure_dir "$t2ddir"
 
