configure: Added missing menu%.h.d rule

Janet had to remove '..' from the vpaths because it was letting
the build look into the TOP/.. directory, which was causing
major issues. She added back rules for COMMON_DIR and .. but
missed this one.

configure/RULES.Db

@@ -233,6 +233,11 @@ menu%.h$(DEP): menu%.dbd
 	@$(DBTOMENUH) -D $(DBDFLAGS) -o $(COMMONDEP_TARGET) $< > $@
 	@echo "$(COMMONDEP_TARGET): ../Makefile" >> $@
 
+menu%.h$(DEP): ../menu%.dbd
+	@$(RM) $@
+	@$(DBTOMENUH) -D $(DBDFLAGS) -o $(COMMONDEP_TARGET) $< > $@
+	@echo "$(COMMONDEP_TARGET): ../Makefile" >> $@
+
 %.dbd$(DEP): %.dbd.pod
 	@$(RM) $@
 	@$(DBEXPAND) -D $(DBDFLAGS) -o $(COMMONDEP_TARGET) $< > $@