add clang32 to more packages.

All packages which successfully built on clang64, for which all of their
dependencies are already available for clang32.

Batch 2

mingw-w64-python-pathlib2/PKGBUILD

@@ -11,7 +11,7 @@ pkgrel=1
 pkgdesc="This module offers a set of classes featuring all the common operations on paths in an easy, object-oriented way (mingw-w64)"
 url="https://pypi.org/project/pathlib2/"
 arch=('any')
-mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64')
+mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32')
 license=('MIT')
 depends=("${MINGW_PACKAGE_PREFIX}-python"
          "${MINGW_PACKAGE_PREFIX}-python-scandir")