8023156: make dist-clean should remove javacservers directory

Reviewed-by: erikj

common/makefiles/Main.gmk

@@ -204,7 +204,7 @@ clean: clean-langtools clean-corba clean-jaxp clean-jaxws clean-hotspot clean-jd
 # If the output directory was created by configure and now becomes empty, remove it as well.
 # FIXME: tmp should not be here, fix ResetTimers instead. And remove spec.sh!
 dist-clean: clean
-	@($(CD) $(OUTPUT_ROOT) && $(RM) -r *spec.gmk config.* configure-arguments Makefile compare.sh spec.sh tmp)
+	@($(CD) $(OUTPUT_ROOT) && $(RM) -r *spec.gmk config.* configure-arguments Makefile compare.sh spec.sh tmp javacservers)
 	@$(if $(filter $(CONF_NAME),$(notdir $(OUTPUT_ROOT))), \
     if test "x`$(LS) $(OUTPUT_ROOT)`" != x; then \
         $(ECHO) "Warning: Not removing non-empty configuration directory for '$(CONF_NAME)'" ;\