haproxy: update to version 1.5.10

haproxy: update to version 1.5.10

 - DOC: fix a few typos
 - BUG/MINOR: http: fix typo: "401 Unauthorized" => "407 Unauthorized"
 - BUG/MINOR: parse: refer curproxy instead of proxy
 - DOC: httplog does not support 'no'
 - MINOR: map/acl/dumpstats: remove the "Done." message
 - BUG/MEDIUM: sample: fix random number upper-bound
 - BUG/MEDIUM: patterns: previous fix was incomplete
 - BUG/MEDIUM: payload: ensure that a request channel is available
 - BUG/MINOR: tcp-check: don't condition data polling on check type
 - BUG/MEDIUM: tcp-check: don't rely on random memory contents
 - BUG/MEDIUM: tcp-checks: disable quick-ack unless next rule is an expect
 - BUG/MINOR: config: fix typo in condition when propagating process binding
 - BUG/MEDIUM: config: do not propagate processes between stopped processes
 - BUG/MAJOR: stream-int: properly check the memory allocation return
 - BUG/MEDIUM: memory: fix freeing logic in pool_gc2()
 - BUG/MEDIUM: compression: correctly report zlib_mem

Signed-off-by: Thomas Heil <heil@terminal-consulting.de>