python-cryptography: fix compile issue with openssl 1.0.2h

this fixes:

error: 'SSLv2_method' redeclared as different kind of symbol
|  SSL_METHOD* (*SSLv2_method)(void) = NULL;

Signed-off-by: Armin Kuster <akuster@mvista.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-python/recipes-devtools/python/python-cryptography_0.8.1.bb

@@ -8,6 +8,8 @@ SRCNAME = "cryptography"
 SRC_URI = "https://pypi.python.org/packages/source/c/${SRCNAME}/${SRCNAME}-${PV}.tar.gz \
            file://run-ptest \
            file://build_fix_openssl_1.0.1g.patch \
+           file://Remove_SSLv2_bindings.patch \
+           file://Comment_lingering_SSLv2_symbol.patch \
 "
 S = "${WORKDIR}/${SRCNAME}-${PV}"