Fix Makefile to work with srcdir.

Patch courtesy Colin Blake <colin@theblakes.com>

xpfe/components/console/resources/locale/en-US/Makefile.in

@@ -30,6 +30,8 @@ EXPORT_RESOURCE_CONTENT = \
 		console.dtd \
 		$(NULL)
 
+EXPORT_RESOURCE_CONTENT := $(addprefix $(srcdir)/, $(EXPORT_RESOURCE_CONTENT))
+
 include $(topsrcdir)/config/rules.mk
 
 install::