[Buildroot] [PATCHv2] package/libxml2: add upstream security fix for CVE-2019-20388

[Peter Korsgaard]

>>>>> "Thomas" == Thomas De Schampheleire <patrickdepinguin at gmail.com> writes:

 > From: Thomas De Schampheleire <thomas.de_schampheleire at nokia.com>
 > Fixes CVE-2019-20388: xmlSchemaPreRun in xmlschemas.c in libxml2 2.9.10
 > allows an xmlSchemaValidateStream memory leak.

 > Signed-off-by: Thomas De Schampheleire <thomas.de_schampheleire at nokia.com>
 > ---
 > v2: add sob line inside patch (ThomasP)

It would be great if we could start updating <pkg>_IGNORE_CVES for such
patches as well, thanks.

-- 
Bye, Peter Korsgaard