[OE-core] [PATCH] mesa: Upgrade 19.1.1 -> 19.1.4

[Ross Burton]

On 17/08/2019 15:36, Otavio Salvador wrote:
> +-if meson.version().version_compare('>=0.50')
> +-  prog_python = import('python').find_installation('python3')
> +-else
> +-  prog_python = import('python3').find_python()
> +-endif
> ++prog_python = import('python3').find_python()

Why are we reverting an upstream commit?  No explanation, no 
upstream-status, no signed-off-by.

Ross