stockfish: update to 9.

srcpkgs/stockfish/patches/makefile.patch

@@ -1,11 +0,0 @@
---- src/Makefile.orig	2017-01-11 15:18:46.695935373 +0100
-+++ src/Makefile	2017-01-11 15:18:52.633935353 +0100
-@@ -156,8 +156,6 @@
- 		ifeq ($(OS),Android)
- 			CXXFLAGS += -m$(bits)
- 		endif
--	else
--		CXXFLAGS += -m$(bits)
- 	endif
- 
- 	ifneq ($(KERNEL),Darwin)

srcpkgs/stockfish/template

@@ -1,10 +1,11 @@
 # Template file for 'stockfish'
 pkgname=stockfish
-version=8
+version=9
 revision=1
 build_style=gnu-makefile
 build_wrksrc="src"
 wrksrc="${pkgname}-${version}-src"
+create_wrksrc=yes
 make_build_target="build"
 hostmakedepends="unzip"
 short_desc="A free UCI chess engine derived from Glaurung"
@@ -12,7 +13,7 @@ maintainer="cipr3s <cipr3s@gmx.com>"
 license="GPL-3"
 homepage="http://stockfishchess.org/"
 distfiles="http://stockfish.s3.amazonaws.com/${pkgname}-${version}-src.zip"
-checksum="7bad36f21f649ab24f6d7786bbb1b74b3e4037f165f32e3d42d1ae19c8874ce9"
+checksum=ba2e72d6973479c8c839c7f4a095d121829ebe8df39b71ebf291c84e5cb3e36e
 
 LDFLAGS+="-lpthread"