Clean out the tests before creating distribution archive

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%401809

Makefile.in

@@ -158,6 +158,7 @@ dist $(distfile):
 	    -name '*.orig' -o \
 	    -name '.#*' \) \
 	    -exec rm -f {} \;
+	if test -f $(distdir)/test/Makefile; then (cd $(distdir)/test && make distclean); fi
 	tar cvf - $(distdir) | gzip --best >$(distfile)
 	rm -rf $(distdir)