Rename the xsd binary to xsdcxx, as lang/mono already installs an executable
called `xsd'.

--- doc/pregenerated/xsd.1.orig	2023-09-28 07:36:28 UTC
+++ doc/pregenerated/xsd.1
@@ -1,7 +1,7 @@
 .\" Process this file with
 .\" groff -man -Tascii xsd.1
 .\"
-.TH XSD 1 "January 2023" "XSD 4.2.0"
+.TH XSDCXX 1 "January 2023" "XSDCXX 4.2.0"
 .SH NAME
 xsd \- W3C XML Schema to C++ Compiler
 .\"
@@ -10,7 +10,7 @@ xsd \- W3C XML Schema to C++ Compiler
 .\"--------------------------------------------------------------------
 .SH SYNOPSIS
 .\"--------------------------------------------------------------------
-.B xsd
+.B xsdcxx
 .I command
 .B [
 .I options
@@ -20,19 +20,19 @@ xsd \- W3C XML Schema to C++ Compiler
 .I file
 .B ...]
 .in
-.B xsd help
+.B xsdcxx help
 .B [
 .I command
 .B ]
 .in
-.B xsd version
+.B xsdcxx version
 .\"
 .\"
 .\"
 .\"--------------------------------------------------------------------
 .SH DESCRIPTION
 .\"--------------------------------------------------------------------
-.B xsd
+.B xsdcxx
 generates vocabulary-specific, statically-typed C++ mapping from W3C XML
 Schema definitions. Particular mapping to produce is selected by a
 .IR command .
@@ -96,7 +96,7 @@ Print usage information and exit. Use
 .PP
 .RS
 .RS 3
-.B xsd help
+.B xsdcxx help
 .I command
 .RE
 .PP
@@ -1484,7 +1484,7 @@ If the input file is not a valid W3C XML Schema defini
 .\"
 .SH DIAGNOSTICS
 If the input file is not a valid W3C XML Schema definition,
-.B xsd
+.B xsdcxx
 will issue diagnostic messages to
 .B STDERR
 and exit with non-zero exit code.