xmlpool: don't forget to ship the MOS

This will allow us to finally remove python from the build time
dependencies list. Considering that you're building from a release
tarball of course :-)

Cc: Bernd Kuhls <bernd.kuhls@t-online.de>
Reported-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Cc: "10.5" <mesa-stable@lists.freedesktop.org>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>

src/mesa/drivers/dri/common/xmlpool/Makefile.am

@@ -52,7 +52,14 @@ POT=xmlpool.pot
 
 .PHONY: all clean pot po mo
 
-EXTRA_DIST = gen_xmlpool.py options.h t_options.h $(POS) SConscript
+EXTRA_DIST = \
+	gen_xmlpool.py \
+	options.h \
+	t_options.h \
+	$(POS) \
+	$(MOS) \
+	SConscript
+
 BUILT_SOURCES = options.h
 CLEANFILES = $(MOS) options.h