liblz4: fix previous patch

Previous patch was incomplete.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
(cherry picked from commit 2860cf169a)

libs/liblz4/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=liblz4
 PKG_VERSION:=1.9.2
-PKG_RELEASE:=3
+PKG_RELEASE:=4
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://codeload.github.com/lz4/lz4/tar.gz/v$(PKG_VERSION)?

libs/liblz4/patches/020-distutils.patch

@@ -1,6 +1,14 @@
 --- a/contrib/meson/meson.build
 +++ b/contrib/meson/meson.build
-@@ -35,8 +35,8 @@ compiler_msvc = 'msvc'
+@@ -16,7 +16,6 @@ project('lz4', ['c'],
+ 
+ cc = meson.get_compiler('c')
+ pkgconfig = import('pkgconfig')
+-python3 = import('python').find_installation()
+ c_std = get_option('c_std')
+ default_library = get_option('default_library')
+ 
+@@ -35,8 +34,8 @@ compiler_msvc = 'msvc'
  lz4_version = meson.project_version()
  
  lz4_h_file = join_paths(meson.current_source_dir(), '../../lib/lz4.h')