python-lxml: bump to 3.4.4

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  c7d5990298af6ffb00312973a25f0cc917a6368126dd40eaab41d78d3e1ea25d  lxml-3.4.2.tgz
+sha256  b3d362bac471172747cda3513238f115cbd6c5f8b8e6319bf6a97a7892724099  lxml-3.4.4.tgz

package/python-lxml/python-lxml.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-PYTHON_LXML_VERSION = 3.4.2
+PYTHON_LXML_VERSION = 3.4.4
 PYTHON_LXML_SITE = http://lxml.de/files
 PYTHON_LXML_SOURCE = lxml-$(PYTHON_LXML_VERSION).tgz