Makefile

--- a/Makefile	Fri May 02 18:24:10 2014 +0900
+++ b/Makefile	Tue May 06 12:47:59 2014 -0500
@@ -56,7 +56,7 @@
 	find contrib doc hgext i18n mercurial tests \
 		\( -name '*.py[cdo]' -o -name '*.so' \) -exec rm -f '{}' ';'
 	rm -f $(addprefix mercurial/,$(notdir $(wildcard mercurial/pure/[a-z]*.py)))
-	rm -f MANIFEST MANIFEST.in mercurial/__version__.py tests/*.err
+	rm -f MANIFEST MANIFEST.in mercurial/__version__.py hgext/__index__.py tests/*.err
 	rm -rf build mercurial/locale
 	$(MAKE) -C doc clean