handle special characters correctly in "make dist"

Makefile

@@ -220,7 +220,7 @@ dist:
 	        echo '    <tr><td><a href="$($(PKG)_WEBSITE)">$(PKG)</a></td><td>$($(PKG)_VERSION)</td></tr>';)) && \
 	    $(SED) -n '/<table id="package-list"/,/<ul id="authors-list"/ p' '$(TOP_DIR)/doc/index.html' | \
 	        $(SED) '1d' && \
-	    (LC_ALL=C hg log | $(SED) -n 's,^\(user: *\([^<]*\) <.*\|.*(by \([^)]*\)).*\)$$,\2\3,p' | \
+	    (LC_ALL=en_US.UTF-8 hg log | $(SED) -n 's,^\(user: *\([^<]*\) <.*\|.*(by \([^)]*\)).*\)$$,\2\3,p' | \
 	        sort | uniq -c | sort -nr | \
 	        $(SED) 's,^ *[0-9]* *\(.*\)$$,    <li>\1</li>,') && \
 	    $(SED) '1,/<ul id="authors-list"/ d' '$(TOP_DIR)/doc/index.html' \
@@ -230,7 +230,7 @@ dist:
 	>'$(DIST_DIR)/mingw-cross-env-$(VERSION)/doc/index.html'
 	cp -p '$(TOP_DIR)/doc'/screenshot-* '$(DIST_DIR)/mingw-cross-env-$(VERSION)/doc/'
 	cp -p '$(DIST_DIR)/mingw-cross-env-$(VERSION)/doc'/* '$(DIST_DIR)/web/'
-	(cd '$(TOP_DIR)' && LC_ALL=C hg log -v --style changelog) >'$(DIST_DIR)/mingw-cross-env-$(VERSION)/doc/ChangeLog'
+	(cd '$(TOP_DIR)' && LC_ALL=en_US.UTF-8 hg log -v --style changelog) >'$(DIST_DIR)/mingw-cross-env-$(VERSION)/doc/ChangeLog'
 	cd '$(DIST_DIR)/mingw-cross-env-$(VERSION)/doc' && lynx -dump -width 75 -nolist -force_html index.html >README
 	cp -p '$(TOP_DIR)/Makefile'    '$(DIST_DIR)/mingw-cross-env-$(VERSION)/'
 	cp -p '$(TOP_DIR)/src'/*.mk    '$(DIST_DIR)/mingw-cross-env-$(VERSION)/src/'