Bug #1746880: Correctly install DLLs into system32 folder on Win64.
diff --git a/Tools/msi/msi.py b/Tools/msi/msi.py
index 6692597..6545f45 100644
--- a/Tools/msi/msi.py
+++ b/Tools/msi/msi.py
@@ -167,7 +167,7 @@
     testprefix = ''
 
 if msilib.Win64:
-    SystemFolderName = "[SystemFolder64]"
+    SystemFolderName = "[System64Folder]"
 else:
     SystemFolderName = "[SystemFolder]"