ox-texinfo: Default process includes "--no-split" option

* lisp/ox-texinfo.el (org-texinfo-info-process): Add "--no-split"
  option.

Reported-by: Jonas Bernoulli <jonas@bernoul.li>
<http://lists.gnu.org/archive/html/emacs-orgmode/2017-07/msg00458.html>

etc/ORG-NEWS

@@ -424,6 +424,7 @@ Now ~=...=~ markup uses ~@samp{}~ instead of ~@verb{}~.  You can use
 *** Texinfo default table markup is ~@asis~
 It used to be ~@samp~ but ~@asis~ is neutral and, therefore, more
 suitable as a default value.
+*** Texinfo default process includes ~--no-split~ option
 *** New entities : ~\dollar~ and ~\USD~
 *** ~org-parse-time-string~ accepts a new optional argument
 =ZONE= specifies the current time zone.

lisp/ox-texinfo.el

@@ -351,7 +351,7 @@ The function should return the string to be exported."
 
 ;;;; Compilation
 
-(defcustom org-texinfo-info-process '("makeinfo %f")
+(defcustom org-texinfo-info-process '("makeinfo --no-split %f")
   "Commands to process a Texinfo file to an INFO file.
 
 This is a list of strings, each of them will be given to the
@@ -361,6 +361,8 @@ base name (i.e. without directory and extension parts), %o by the
 base directory of the file and %O by the absolute file name of
 the output file."
   :group 'org-export-texinfo
+  :version "26.1"
+  :package-version '(Org . "9.1")
   :type '(repeat :tag "Shell command sequence"
 		 (string :tag "Shell command")))