Rename the xsd binary to xsdcxx, as lang/mono already installs an executable
called `xsd'.
--- xsd/xsd/makefile.orig	2014-07-21 06:36:38 UTC
+++ xsd/xsd/makefile
@@ -150,7 +150,7 @@ $(out_base)/: $(xsd)
 # Install
 #
 $(install): $(xsd)
-	$(call install-exec,$<,$(install_bin_dir)/xsd)
+	$(call install-exec,$<,$(install_bin_dir)/xsdcxx)
 
 # Dist.
 #