[Buildroot] [PATCH] libcurl: security bump to version 7.56.1

[Peter Korsgaard]

>>>>> "Peter" == Peter Korsgaard <peter at korsgaard.com> writes:

 > Fixes CVE-2017-1000257 - IMAP FETCH response out of bounds read
 > https://curl.haxx.se/docs/adv_20171023.html

 > Signed-off-by: Peter Korsgaard <peter at korsgaard.com>

Committed to 2017.08.x, thanks.

-- 
Bye, Peter Korsgaard