waf: Update to 2.0.20

mingw-w64-waf/PKGBUILD

@@ -3,7 +3,7 @@
 _realname=waf
 pkgbase=mingw-w64-${_realname}
 pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
-pkgver=2.0.19
+pkgver=2.0.20
 pkgrel=1
 pkgdesc="General-purpose build system modelled after Scons (mingw-w64)"
 arch=('any')
@@ -14,7 +14,7 @@ depends=("${MINGW_PACKAGE_PREFIX}-python")
 options=('!emptydirs')
 source=("https://waf.io/${_realname}-${pkgver}.tar.bz2"{,.asc})
 validpgpkeys=('8AF22DE5A06822E3474F3C7049B4C67C05277AAA')
-sha256sums=('d8402689b72fe75f759a83b5f6bdf9b4f34ca7fd6007d80680ecfcbef5c2bba5'
+sha256sums=('cce635c2d1a0f93b4f5b811e0452a35b8066e8ccd78632447f5be24c4c3f1a63'
             'SKIP')
 
 prepare() {
@@ -22,7 +22,7 @@ prepare() {
   # Extracting license
   head -n 30 waf-light | tail -n 25 > LICENSE
   # Python 3 fix
-  sed -i '0,/env python/s//python3/' waf-light
+  sed -i '0,/env python/s//python/' waf-light
 }
 
 build() {