esp8266/modules/ntptime.py: Always close socket, and set day-of-week.

Fixes issue #5189.

ports/esp8266/modules/ntptime.py

@@ -17,9 +17,11 @@ def time():
     NTP_QUERY[0] = 0x1b
     addr = socket.getaddrinfo(host, 123)[0][-1]
     s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+    try:
         s.settimeout(1)
         res = s.sendto(NTP_QUERY, addr)
         msg = s.recv(48)
+    finally:
         s.close()
     val = struct.unpack("!I", msg[40:44])[0]
     return val - NTP_DELTA
@@ -31,5 +33,4 @@ def settime():
     import machine
     import utime
     tm = utime.localtime(t)
-    tm = tm[0:3] + (0,) + tm[3:6] + (0,)
-    machine.RTC().datetime(tm)
+    machine.RTC().datetime((tm[0], tm[1], tm[2], tm[6] + 1, tm[3], tm[4], tm[5], 0))