Merge branch 'maint'

* maint:
  http.c: Fix problem with repeated calls of http_init
  Add missing reference to GIT_COMMITTER_DATE in git-commit-tree documentation
  Fix import-tars fix.
  Update .mailmap with "Michael"
  Do not barf on too long action description
  Catch empty pathnames in trees during fsck
  Don't allow empty pathnames in fast-import
  import-tars: be nice to wrong directory modes
  git-svn: Added 'find-rev' command
  git shortlog documentation: add long options and fix a typo

1 files changed, 1 insertions, 0 deletions

diff --git a/http.c b/http.c
index 576740fef..ae27e0c94 100644
--- a/http.c
+++ b/http.c
@@ -300,6 +300,7 @@ void http_cleanup(void)
 	curl_global_cleanup();
 
 	curl_slist_free_all(pragma_header);
+        pragma_header = NULL;
 }
 
 struct active_request_slot *get_active_slot(void)