dist-clean should remove dependency information files as well

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@157162 65c4cc65-6c06-0410-ace0-fbb531ad65f3

Makefile.moddir_rules

@@ -76,6 +76,7 @@ uninstall::
 dist-clean::
 	rm -f .*.moduleinfo .moduleinfo
 	rm -f .*.makeopts .makeopts
+	rm -f .*.d
 
 .%.moduleinfo: %.c
 	@echo "<member name=\"$*\" displayname=\"$(shell $(GREP) -e AST_MODULE_INFO $< | head -n 1 | cut -d '"' -f 2)\" remove_on_change=\"$(SUBDIR)/$*.o $(SUBDIR)/$*.so\">" > $@