avahi: fix build with BR2_ENABLE_LOCALE

package/avahi/Config.in

@@ -1,6 +1,8 @@
 config BR2_PACKAGE_AVAHI
 	bool "avahi"
 	select BR2_PACKAGE_LIBDAEMON
+	select BR2_PACKAGE_GETTEXT if BR2_ENABLE_LOCALE
+	select BR2_PACKAGE_LIBINTL if BR2_ENABLE_LOCALE
 	help
 	  Avahi is a system which facilitates service
 	  discovery on a local network.

package/avahi/avahi.mk

@@ -142,7 +142,7 @@ $(AVAHI_DIR)/.configured: $(AVAHI_DIR)/.unpacked $(AVAHI_EXTRA_DEPS)
 	touch $@
 
 $(AVAHI_DIR)/.compiled: $(AVAHI_DIR)/.configured
-	$(MAKE) -C $(AVAHI_DIR)
+	$(MAKE) -C $(AVAHI_DIR) $(if $(BR2_ENABLE_LOCALE),LIBS=-lintl)
 	touch $@
 
 $(AVAHI_DIR)/.installed: $(AVAHI_DIR)/.compiled
@@ -180,7 +180,7 @@ endif
 		 $(TARGET_DIR)/usr/sbin/avahi-daemon
 	$(STRIPCMD) $(STRIP_STRIP_UNNEEDED) $@
 
-avahi: uclibc libdaemon $(AVAHI_TARGETS)
+avahi: uclibc libdaemon $(AVAHI_TARGETS) $(if $(BR2_ENABLE_LOCALE),gettext libintl)
 
 avahi-clean:
 	-$(MAKE) -C $(AVAHI_DIR) distclean