make: remove installed translations when performing Uninstall

When support for translated languages was enabled, the localisation files
were installed, but make uninstall did not take care to remove them. This
patch fixes this by properly removing them.

Signed-off-by: Christophe CURIS <christophe.curis@free.fr>

po/Makefile.am

@@ -95,6 +95,12 @@ install-data-local:  $(CATALOGS)
 		fi; \
 	done
 
+uninstall-local:
+	for n in $(CATALOGS) ; do \
+		l=`basename $$n .mo`; \
+		rm -f $(DESTDIR)$(localedir)/$$l/LC_MESSAGES/$(DOMAIN).mo; \
+	done
+
 # Create a 'silent rule' for our make check the same way automake does
 AM_V_CHKTRANS = $(am__v_CHKTRANS_$(V))
 am__v_CHKTRANS_ = $(am__v_CHKTRANS_$(AM_DEFAULT_VERBOSITY))