matplotlib: port sed call to the main patch

This way we notice if something changes upstream.

mingw-w64-python-matplotlib/PKGBUILD

@@ -34,13 +34,12 @@ optdepends=("${MINGW_PACKAGE_PREFIX}-python-pyqt5: Qt5Agg/Qt5Cairo backend"
 source=("${_realname}-${pkgver}.tar.gz"::"https://pypi.io/packages/source/${_realname:0:1}/${_realname}/${_realname}-${pkgver}.tar.gz"
         setupext.py.patch)
 sha256sums=('3e477db76c22929e4c6876c44f88d790aacdf3c3f8f3a90cb1975c0bf37825b0'
-            'a2f0e6b9f7e40881cb1b83025f8797e1431d97068189c2a0468bb84f7ce28945')
+            '43a13325f23d2be8ef3b1c8f14be0640df690c52742101beb21f7c4eaad30425')
 
 prepare() {
   cd "${srcdir}/${_realname}-${pkgver}"
   patch -p1 -i ${srcdir}/setupext.py.patch
-  # Use system freetype and qhull
-  sed -e 's|#system_freetype = False|system_freetype = True|' -e 's|#system_qhull = False|system_qhull = True|' setup.cfg.template > setup.cfg
+
   cd ${srcdir}
   rm -rf python-build-${CARCH} | true
   cp -r "${_realname}-${pkgver}" "python-build-${CARCH}"

mingw-w64-python-matplotlib/setupext.py.patch

@@ -1,6 +1,6 @@
---- matplotlib-3.1.0/setupext.py.orig	2019-05-18 03:55:28.000000000 +0200
-+++ matplotlib-3.1.0/setupext.py	2019-05-19 11:31:01.633173900 +0200
-@@ -24,6 +24,7 @@
+--- matplotlib-3.3.4/setupext.py.orig	2021-01-28 09:30:28.000000000 +0100
++++ matplotlib-3.3.4/setupext.py	2021-02-07 12:11:03.590667300 +0100
+@@ -20,6 +20,7 @@
  
  _log = logging.getLogger(__name__)
  
@@ -8,7 +8,19 @@
  
  def _get_xdg_cache_dir():
      """
-@@ -232,7 +233,7 @@
+@@ -146,9 +147,9 @@
+ options = {
+     'backend': config.get('rc_options', 'backend', fallback=None),
+     'system_freetype': config.getboolean(
+-        'libs', 'system_freetype', fallback=sys.platform.startswith('aix')),
++        'libs', 'system_freetype', fallback=sys.platform.startswith('aix') or MSYS),
+     'system_qhull': config.getboolean('libs', 'system_qhull',
+-                                      fallback=False),
++                                      fallback=False or MSYS),
+ }
+ 
+ 
+@@ -171,7 +172,7 @@
      """
      Get path to pkg-config and set up the PKG_CONFIG environment variable.
      """
@@ -17,7 +29,7 @@
          return None
      pkg_config = os.environ.get('PKG_CONFIG', 'pkg-config')
      if shutil.which(pkg_config) is None:
-@@ -276,7 +277,7 @@
+@@ -223,7 +224,7 @@
  
      # conda Windows header and library paths.
      # https://github.com/conda/conda/issues/2312 re: getting the env dir.