Merge branch 'jk/maint-http-half-auth-push'

Fixes a regression in maint-1.7.11 (v1.7.11.7), maint (v1.7.12.1)
and master (v1.8.0-rc0).

* jk/maint-http-half-auth-push:
  http: fix segfault in handle_curl_result

diff --cc http.c
Simple merge

diff --cc remote-curl.c
Simple merge