Fix NULL check in sock_sendmsg_iovec. CID 1372885
diff --git a/Modules/socketmodule.c b/Modules/socketmodule.c
index eee607f..e87f790 100644
--- a/Modules/socketmodule.c
+++ b/Modules/socketmodule.c
@@ -3943,7 +3943,7 @@
         msg->msg_iov = iovs;
 
         databufs = PyMem_New(Py_buffer, ndataparts);
-        if (iovs == NULL) {
+        if (databufs == NULL) {
             PyErr_NoMemory();
             goto finally;
         }