Bugfix

 * http.c: Stop if BIO_read returns <= 0

fixes a bug in the fix for CVE-2016-1071 that causes pound to use 100% CPU
see http://www.apsis.ch/pound/pound_list/archive/2018/2018-06/1529070189000
4 jobs for jessie in 13 minutes and 3 seconds (queued for 3 seconds)
latest
Status Job ID Name Coverage
  Build
passed #258071
build

00:06:14

 
  Test
passed #258073
blhc

00:01:23

passed #258072
lintian

00:02:03

passed #258074
piuparts

00:06:47