Add abi3tcompat to MSI installer

Author: encukou

Tools/msi/core/core_files.wxs

@@ -2,6 +2,9 @@
 <Wix xmlns="http://schemas.microsoft.com/wix/2006/wi">
     <Fragment>
         <ComponentGroup Id="core_dll">
+            <Component Id="python_abi3tcompat.dll" Directory="InstallDirectory" Guid="*">
+                <File Id="python_abi3tcompat.dll" Name="abi3t-compat\python$(var.MajorVersionNumber)t.dll" KeyPath="yes" />
+            </Component>
             <Component Id="python_stable.dll" Directory="InstallDirectory" Guid="*">
                 <File Id="python_stable.dll" Name="python$(var.MajorVersionNumber).dll" KeyPath="yes" />
             </Component>