ntdll: Fix mistake in Novosibirsk time zone.

dlls/ntdll/time.c

@@ -403,7 +403,7 @@ static const struct tagTZ_INFO TZ_INFO[] =
     {'P','h','i','l','i','p','p','i','n','e',' ','T','i','m','e','\0'}, -480, 0},
    {"NOVST",
     {'N','o','v','o','s','i','b','i','r','s','k',' ','S','u','m','m','e','r',
-     ' ','T','i','m','e','\0'}, -480, 1},
+     ' ','T','i','m','e','\0'}, -420, 1},
    {"UZT",
     {'U','z','b','e','k','i','s','t','h','a','n',' ','T','i','m','e','\0'}, -300, 0}
 };