test: Fix syslog_plugin socket -> sock typo

Author: fwsGonzo

test/posix/integration/syslog_plugin/test.py

@@ -27,7 +27,7 @@ def tear_down():
 UDP_IP = "10.0.0.2"
 UDP_PORT = 6514
 sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
-socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
 sock.bind((UDP_IP, UDP_PORT))
 
 num_received = 0