patch for makeinfo to handle cernterchap

[Denys Duchier]

Here is a patch against texinfo-4.6 to fix makeinfo so that it also
handles centerchap:

diff -Naur texinfo-4.6.orig/makeinfo/sectioning.c 
texinfo-4.6/makeinfo/sectioning.c
--- texinfo-4.6.orig/makeinfo/sectioning.c      2003-05-13 18:37:54.000000000 
+0200
+++ texinfo-4.6/makeinfo/sectioning.c   2003-09-10 21:21:40.000000000 +0200
@@ -34,6 +34,7 @@
   { "unnumberedsubsec",    4, ENUM_SECT_NO,  TOC_YES },
   { "unnumberedsec",       3, ENUM_SECT_NO,  TOC_YES },
   { "unnumbered",          2, ENUM_SECT_NO,  TOC_YES },
+  { "centerchap",          2, ENUM_SECT_NO,  TOC_YES },
 
   { "appendixsubsubsec",   5, ENUM_SECT_APP, TOC_YES },  /* numbered like 
A.X.X.X */
   { "appendixsubsec",      4, ENUM_SECT_APP, TOC_YES },

-- 
Dr. Denys Duchier
Équipe Calligramme
LORIA, Nancy, FRANCE