wxPython4: update to 4.0.6.

- Also fix an issue with permissions from source tarball that leads to a
  broken package. Reported upstream at
    https://github.com/wxWidgets/Phoenix/issues/1363

srcpkgs/wxPython4/template

@@ -1,22 +1,22 @@
 # Template file for 'wxPython4'
 pkgname=wxPython4
-version=4.0.4
+version=4.0.6
 revision=1
 wrksrc="wxPython-${version}"
 build_style=python3-module
 pycompile_module="wx"
 make_build_args="--skip-build"
 make_install_args="--skip-build"
-hostmakedepends="pkg-config python3-setuptools"
+hostmakedepends="pkg-config python3-setuptools python3-pathlib2"
 makedepends="python3-devel wxWidgets-gtk3-devel SDL2-devel webkit2gtk-devel
  gst-plugins-base1-devel"
 depends="python3"
 short_desc="WxWidgets GUI toolkit library (Python3 Bindings)"
 maintainer="Jasper Chan <jasperchan515@gmail.com>"
-license="wxWindows"
+license="custom:wxWindows"
 homepage="http://www.wxpython.org/"
 distfiles="${PYPI_SITE}/w/wxPython/wxPython-${version}.tar.gz"
-checksum=0d9ef4260cb2f3e23ed9dcf6baa905ba585ac7d631613cddc299c4c83463ae29
+checksum=35cc8ae9dd5246e2c9861bb796026bbcb9fb083e4d49650f776622171ecdab37
 
 if [ "$CROSS_BUILD" ]; then
 	hostmakedepends+=" python3"
@@ -24,6 +24,7 @@ if [ "$CROSS_BUILD" ]; then
 fi
 
 pre_build() {
+	chmod -R go+rX $wrksrc
 	if [ "$CROSS_BUILD" ]; then
 		PYPREFIX="$XBPS_CROSS_BASE"
 		CFLAGS+=" -I${XBPS_CROSS_BASE}/${py3_inc} -I${XBPS_CROSS_BASE}/usr/include"