TUN-7268: Default to Program Files as location for win32

The previous logic of var == x86 never fired for 386 arch windows
systems causing us to set ProgramFiles64Folder for the older windows
versions causing downloads to default to a different location. This
change fixes that.

Author: sudarshan-reddy

cloudflared.wxs

@@ -1,9 +1,9 @@
 <?xml version="1.0"?>
 
-<?if $(var.Platform)="x86"?>
-    <?define Program_Files="ProgramFilesFolder"?>
-<?else ?>
+<?if $(var.Platform)="x64" ?>
     <?define Program_Files="ProgramFiles64Folder"?>
+<?else ?>
+    <?define Program_Files="ProgramFilesFolder"?>
 <?endif ?>
 <?ifndef var.Version?>
     <?error Undefined Version variable?>