Add 2.6.3 and 2.6.4 UUIDs
diff --git a/Tools/msi/uuids.py b/Tools/msi/uuids.py
index 552c609..e1ff5e8 100644
--- a/Tools/msi/uuids.py
+++ b/Tools/msi/uuids.py
@@ -50,4 +50,8 @@
     '2.6.1150':'{9cc89170-000b-457d-91f1-53691f85b223}', # 2.6.1
     '2.6.2121':'{adac412b-b209-4c15-b6ab-dca1b6e47144}', # 2.6.2c1
     '2.6.2150':'{24aab420-4e30-4496-9739-3e216f3de6ae}', # 2.6.2
+    '2.6.3121':'{a73e0254-dcda-4fe4-bf37-c7e1c4f4ebb6}', # 2.6.3c1
+    '2.6.3150':'{3d9ac095-e115-4e94-bdef-7f7edf17697d}', # 2.6.3
+    '2.6.4121':'{727de605-0359-4606-a94b-c2033652379b}', # 2.6.4c1
+    '2.6.4150':'{e7394a0f-3f80-45b1-87fc-abcd51893246}', # 2.6.4
 }