[OE-core] [PATCH 3/6] meson: update 0.50.1 -> 0.51.0

[Richard Purdie]

On Fri, 2019-06-28 at 15:24 +0200, Alexander Kanavin wrote:
> Drop backports.
> 
> Rebase other patches.
> 
> Signed-off-by: Alexander Kanavin <alex.kanavin at gmail.com>

Something in one of the meson changes is resulting in:

https://autobuilder.yoctoproject.org/typhoon/#/builders/89/builds/766

(mingw failure in nativesdk-glib-2.0, I bisected it locally to one of
the meson changes)

Cheers,

Richard