python3: bump to version 3.7.1

This change bumps Python3 version to 3.7.1.
Patch `002-fix-implicit-dh-free-declaration.patch` is now included in
upstream.
This also fixes CVE-2018-1061.
   https://www.cvedetails.com/cve/CVE-2018-1061/

Compile & run-tested on x86.

Signed-off-by: Alexandru Ardelean <ardeleanalex@gmail.com>

lang/python/python3/Makefile

@@ -19,7 +19,7 @@ PKG_VERSION:=$(PYTHON_VERSION).$(PYTHON_VERSION_MICRO)
 
 PKG_SOURCE:=Python-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=https://www.python.org/ftp/python/$(PKG_VERSION)
-PKG_HASH:=0382996d1ee6aafe59763426cf0139ffebe36984474d0ec4126dd1c40a8b3549
+PKG_HASH:=fa7e2b8e8c9402f192ad56dc4f814089d1c4466c97d780f5e5acc02c04243d6d
 
 PKG_LICENSE:=PSF
 PKG_LICENSE_FILES:=LICENSE Modules/_ctypes/libffi_msvc/LICENSE Modules/_ctypes/darwin/LICENSE Modules/_ctypes/libffi/LICENSE Modules/_ctypes/libffi_osx/LICENSE Tools/pybench/LICENSE

lang/python/python3/patches/002-fix-implicit-dh-free-declaration.patch

@@ -1,12 +0,0 @@
-diff --git a/Modules/_ssl.c b/Modules/_ssl.c
-index 2bce4816d2..3c93884809 100644
---- a/Modules/_ssl.c
-+++ b/Modules/_ssl.c
-@@ -63,6 +63,7 @@ static PySocketModule_APIObject PySocketModule;
- #include "openssl/err.h"
- #include "openssl/rand.h"
- #include "openssl/bio.h"
-+#include "openssl/dh.h"
- 
- #ifndef HAVE_X509_VERIFY_PARAM_SET1_HOST
- #  ifdef LIBRESSL_VERSION_NUMBER