[oe] [meta-python][PATCH] python3-cryptography: Add -pthread to link flags

[Khem Raj]

It builds openssl module which needs pthread_atfork()
but we do not link it with libpthread, which results
in runtime loading errors

Signed-off-by: Khem Raj <raj.khem at gmail.com>
---
 meta-python/recipes-devtools/python/python3-cryptography_2.1.4.bb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/meta-python/recipes-devtools/python/python3-cryptography_2.1.4.bb b/meta-python/recipes-devtools/python/python3-cryptography_2.1.4.bb
index f64e51d3f..195923343 100644
--- a/meta-python/recipes-devtools/python/python3-cryptography_2.1.4.bb
+++ b/meta-python/recipes-devtools/python/python3-cryptography_2.1.4.bb
@@ -1,6 +1,8 @@
 inherit pypi setuptools3
 require python-cryptography.inc
 
+LDSHARED += "-pthread"
+
 SRC_URI += " \
     file://run-ptest \
 "
-- 
2.16.2