[gnugo-devel] Fix syntax errors in .tex files

[robbak]

There are some syntax errors in two .tex files. This blocks building if you 
have a recent version of texinfo installed. Patch follows:

--- doc/gnugo.texi.orig 2017-10-02 17:01:03.132451000 +1000
+++ doc/gnugo.texi      2017-10-02 17:01:20.375546000 +1000
@@ -26,7 +26,7 @@
 
 @sp 1
 @page
address@hidden Go 3.8}
address@hidden GNU Go 3.8
 @vskip 0pt plus 1filll
 Copyright @copyright{} 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 
2007,
 2008 and 2009 @uref{http://www.fsf.org,Free Software Foundation}, Inc.
--- doc/montecarlo.texi.orig    2017-10-02 17:00:01.889729000 +1000
+++ doc/montecarlo.texi 2017-10-02 17:03:03.299099000 +1000
@@ -245,7 +245,7 @@
 pattern to take effect. If contradictory properties are combined, the
 pattern will never match.
 
address@hidden Final Remarks
address@hidden Final Remarks
 
 @itemize
 @item  Move values are unsigned 32-bit integers. To avoid overflow in