[binutils-gdb] gdb/doc: fix @code{GDBN} -> @value{GDBN}

[Simon Marchi]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=000f9cbef95caeacdd5a02a9ca9eae7928e1e63e

commit 000f9cbef95caeacdd5a02a9ca9eae7928e1e63e
Author: Simon Marchi <simon.marchi@polymtl.ca>
Date:   Mon Jan 9 14:11:29 2023 -0500

    gdb/doc: fix @code{GDBN} -> @value{GDBN}
    
    Change-Id: I928d6f8d6e6bc41d8c7ddbfae8f6ae0614f4993e

Diff:
---
 gdb/doc/python.texi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gdb/doc/python.texi b/gdb/doc/python.texi
index 12d20807b73..ad929ee1493 100644
--- a/gdb/doc/python.texi
+++ b/gdb/doc/python.texi
@@ -3187,7 +3187,7 @@ MyClass obj(5);
 
 @noindent
 then, after loading the Python script defining the xmethod matchers
-and workers into @code{GDBN}, invoking the method @code{geta} or using
+and workers into @value{GDBN}, invoking the method @code{geta} or using
 the operator @code{+} on @code{obj} will invoke the xmethods
 defined above: