htop: Use python3

Fixes
| ../htop-2.2.0/scripts/MakeHeader.py ../htop-2.2.0/CategoriesPanel.c
| ../htop-2.2.0/scripts/MakeHeader.py ../htop-2.2.0/MainPanel.c
| /usr/bin/env: ‘python’: No such file or directory

Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-support/htop/files/0001-Ask-for-python3-specifically.patch

@@ -0,0 +1,26 @@
+From 08aca4816cc798fce58b6235c26585a0063fa8af Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Tue, 26 Nov 2019 10:43:49 -0800
+Subject: [PATCH] Ask for python3 specifically
+
+python2 is on its way out
+
+Upstream-Status: Submitted [https://github.com/hishamhm/htop/pull/968]
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ scripts/MakeHeader.py | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/scripts/MakeHeader.py b/scripts/MakeHeader.py
+index 7c48fdd..7a7586d 100755
+--- a/scripts/MakeHeader.py
++++ b/scripts/MakeHeader.py
+@@ -1,4 +1,4 @@
+-#!/usr/bin/env python
++#!/usr/bin/env python3
+ import os, sys, string, io
+ try:
+    from StringIO import StringIO
+-- 
+2.24.0
+

meta-oe/recipes-support/htop/htop_2.2.0.bb

@@ -7,7 +7,9 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=c312653532e8e669f30e5ec8bdc23be3"
 DEPENDS = "ncurses"
 
 SRC_URI = "http://hisham.hm/htop/releases/${PV}/${BP}.tar.gz \
-           file://0001-Use-pkg-config.patch"
+           file://0001-Use-pkg-config.patch \
+           file://0001-Ask-for-python3-specifically.patch \
+           "
 SRC_URI[md5sum] = "0d816b6beed31edc75babcfbf863ffa8"
 SRC_URI[sha256sum] = "d9d6826f10ce3887950d709b53ee1d8c1849a70fa38e91d5896ad8cbc6ba3c57"