python-lxml: bump to 3.4.2

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/python-lxml/python-lxml.hash

@@ -1,2 +1,2 @@
 # Locally computed
-sha256  069594837d0376a1bacf5cc42aa9a1be2e1c1396dc62f7d07f7358afecd34adf  lxml-3.4.1.tgz
+sha256  c7d5990298af6ffb00312973a25f0cc917a6368126dd40eaab41d78d3e1ea25d  lxml-3.4.2.tgz

package/python-lxml/python-lxml.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-PYTHON_LXML_VERSION = 3.4.1
+PYTHON_LXML_VERSION = 3.4.2
 PYTHON_LXML_SITE = http://lxml.de/files
 PYTHON_LXML_SOURCE = lxml-$(PYTHON_LXML_VERSION).tgz