component/ca-certificates: use buildout's python

We want to avoid using system python

component/ca-certificates/buildout.cfg

@@ -16,10 +16,10 @@ url = http://deb.debian.org/debian/pool/main/c/ca-certificates/ca-certificates_2
 md5sum = c02582bf9ae338e558617291897615eb
 patch-binary = ${patch:location}/bin/patch
 patches =
-  ${:_profile_base_location_}/ca-certificates-any-python.patch#47c2509f1346bd5af8123fb1a2751c2c
+  ${:_profile_base_location_}/ca-certificates-any-python.patch#446a3f164c6b80ad7b63dd0f8662fec0
   ${:_profile_base_location_}/ca-certificates-sbin-dir.patch#0b4e7d82ce768823c01954ee41ef177b
 patch-options = -p0
 configure-command = true
-make-targets = install DESTDIR=@@LOCATION@@ CERTSDIR=certs SBINDIR=sbin
+make-targets = install DESTDIR=@@LOCATION@@ CERTSDIR=certs SBINDIR=sbin PYTHON=${buildout:executable}
 environment =
   PATH=${xz-utils:location}/bin:%(PATH)s

component/ca-certificates/ca-certificates-any-python.patch

@@ -11,13 +11,12 @@
      if line.startswith('CKA_CLASS'):
 --- mozilla/Makefile	2015-12-20 10:49:23.000000000 +0100
 +++ mozilla/Makefile	2016-01-05 20:19:11.006874271 +0100
-@@ -3,7 +3,8 @@
+@@ -3,7 +3,7 @@
  #
  
  all:
 -	python3 certdata2pem.py
-+	for x in '' 2 3; do type python$$x && break; done >/dev/null \
-+	&& python$$x certdata2pem.py
++	$(PYTHON) certdata2pem.py
  
  clean:
  	-rm -f *.crt