build: Make git log invocation immune to local configuration
diff --git a/Makefile.am b/Makefile.am
index 8e50b1d..b839ae1 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -12,5 +12,5 @@ EXTRA_DIST = \
dist-hook:
echo $(VERSION) >$(distdir)/.dist-version
if [ -d .git ]; then \
- git log --stat -C >$(distdir)/ChangeLog; \
+ XDG_CONFIG_HOME= HOME= git log --stat -C >$(distdir)/ChangeLog; \
fi