minimal fix for build errors on Petr's PR

Author: ngoldbaum

Tools/msi/common.wxs

@@ -75,6 +75,12 @@
     </Fragment>
 
     <!-- Top-level directories -->
+    <Fragment>
+        <DirectoryRef Id="InstallDirectory">
+            <Directory Id="abi3t_compat" Name="abi3t-compat" />
+        </DirectoryRef>
+    </Fragment>
+
     <Fragment>
         <DirectoryRef Id="InstallDirectory">
             <Directory Id="DLLs" Name="DLLs">

Tools/msi/core/core_files.wxs

@@ -2,8 +2,8 @@
 <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$(var.MajorVersionNumber)t.dll" KeyPath="yes" />
+            <Component Id="python_abi3tcompat.dll" Directory="abi3t_compat" Guid="*">
+                <File Id="python_abi3tcompat.dll" Name="python$(var.MajorVersionNumber)t.dll" Source="!(bindpath.build)\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" />