gettext: also remove from staging on -clean

package/gettext/gettext.mk

@@ -125,6 +125,7 @@ gettext: uclibc pkgconfig $(STAGING_DIR)/$(GETTEXT_TARGET_BINARY)
 gettext-unpacked: $(GETTEXT_DIR)/.unpacked
 
 gettext-clean:
+	-$(MAKE) DESTDIR=$(STAGING_DIR) CC=$(TARGET_CC) -C $(GETTEXT_DIR) uninstall
 	-$(MAKE) DESTDIR=$(TARGET_DIR) CC=$(TARGET_CC) -C $(GETTEXT_DIR) uninstall
 	-$(MAKE) -C $(GETTEXT_DIR) clean