partial xhtml commit breaks compilation on trunk

[Tommaso Cucinotta]

tommaso@mobiletom:~/lyx-trunk-ws/lyx-trunk$ svn up
U src/Buffer.cpp
Aggiornato alla revisione 39680.
$ make
[...]
make[4]: ingresso nella directory "/home/tommaso/lyx-trunk-ws/lyx-trunk/src"
CXX Buffer.o
Buffer.cpp: In member function ‘void 
lyx::Buffer::writeLyXHTMLSource(lyx::odocstream&, const 
lyx::OutputParams&, bool) const’:
Buffer.cpp:1647:60: error: ‘OxFF’ was not declared in this scope
make[4]: *** [Buffer.o] Errore 1

T.