Merge branch 'rs/test-httpd-in-C-locale'

Force C locale while running tests around httpd to make sure we can
find expected error messages in the log.

* rs/test-httpd-in-C-locale:
  t/lib-httpd: pass LANG and LC_ALL to Apache

Author: gitster

t/lib-httpd/apache.conf

@@ -80,6 +80,8 @@ PassEnv LSAN_OPTIONS
 PassEnv GIT_TRACE
 PassEnv GIT_CONFIG_NOSYSTEM
 PassEnv GIT_TEST_SIDEBAND_ALL
+PassEnv LANG
+PassEnv LC_ALL
 
 Alias /dumb/ www/
 Alias /auth/dumb/ www/auth/dumb/