dev-python/kconfiglib: fix build with py2

Closes: https://bugs.gentoo.org/690182

Signed-off-by: Tim Harder <radhermit@gentoo.org>

dev-python/kconfiglib/files/kconfiglib-12.12.1-setup.patch

@@ -0,0 +1,16 @@
+Python2's ConfigParser module used by setuptools throws parsing errors when
+encountering tab characters.
+
+--- Kconfiglib-12.12.1/setup.cfg
++++ Kconfiglib-12.12.1/setup.cfg
+@@ -1,6 +1,6 @@
+ [bdist_wheel]
+-	# We support both Python 2 and Python 3
+-	universal = 1
++# We support both Python 2 and Python 3
++universal = 1
+ [metadata]
+-	# Include the license file in wheels
+-	license_file = LICENSE.txt
++# Include the license file in wheels
++license_file = LICENSE.txt

dev-python/kconfiglib/kconfiglib-12.12.1.ebuild

@@ -23,6 +23,8 @@ RDEPEND="${DEPEND}"
 
 S=${WORKDIR}/${P/k/K}
 
+PATCHES=( "${FILESDIR}"/${P}-setup.patch )
+
 python_prepare_all() {
 	distutils-r1_python_prepare_all