Fix issue when getting VNF by name

Change-Id: I43fd9cb14aa777c2debb30de6d2b487f3e1b4639
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/osmclient/sol005/vnf.py b/osmclient/sol005/vnf.py
index 0a72c1a..edae358 100644
--- a/osmclient/sol005/vnf.py
+++ b/osmclient/sol005/vnf.py
@@ -66,7 +66,7 @@
                     return vnf
         else:
             for vnf in self.list():
-                if name == vnf['name']:
+                if name == vnf.get('name'):
                     return vnf
         raise NotFound("vnf {} not found".format(name))