ntdll: Add Omsk time zone.

dlls/ntdll/time.c

@@ -275,6 +275,12 @@ static const struct tagTZ_INFO TZ_INFO[] =
    {"YEKST",
     {'U','r','a','l','s',' ','D','a','y','l','i','g','h','t',
      ' ','T','i','m','e',' ','(','S','u','m','m','e','r',')','\0'}, -360, 1},
+   {"OMST",
+    {'O','m','s','k',' ','S','t','a','n','d','a','r','d',
+     ' ','T','i','m','e',' ','(','W','i','n','t','e','r',')','\0'}, -360, 0},
+   {"OMSST",
+    {'O','m','s','k',' ','D','a','y','l','i','g','h','t',
+     ' ','T','i','m','e',' ','(','S','u','m','m','e','r',')','\0'}, -420, 1},
    {"PKT",
     {'W','e','s','t',' ','A','s','i','a',' ','S','t','a','n','d','a','r','d',
      ' ','T','i','m','e','\0'}, -300, 0},