Minor fixes to Windows build scripts

Tools/msi/make_zip.py

@@ -30,9 +30,16 @@ def include_in_lib(p):
             return False
         return True
 
-    if name in {'_ctypes_test.pyd', '_testbuffer.pyd', '_testcapi.pyd', '_testimportmultiple.pyd', 'xxlimited.pyd'}:
-        return False
-    return p.suffix.lower() not in {'.pyc', '.pyo'}
+    suffix = p.suffix.lower()
+    if suffix == '.pyd':
+        return name not in {
+            '_ctypes_test.pyd',
+            '_testbuffer.pyd',
+            '_testcapi.pyd',
+            '_testimportmultiple.pyd',
+            'xxlimited.pyd',
+        }
+    return suffix not in {'.pyc', '.pyo'}
 
 def include_in_tools(p):
     if p.is_dir() and p.name.lower() in {'scripts', 'i18n', 'pynche', 'demo', 'parser'}:

Tools/msi/testrelease.bat

-@setlocal
+@setlocal enableextensions
 @echo off
 
 set D=%~dp0
@@ -51,6 +51,9 @@ exit /B 0
 
 @if not exist "%~1" exit /B 1
 
+@set EXE=%~1
+@if not "%EXE:embed=%"=="%EXE%" exit /B 0
+
 @set EXITCODE=0
 @echo Installing %1 into %2
 "%~1" /passive /log "%~2\install\log.txt" TargetDir="%~2\Python" Include_debug=1 Include_symbols=1 %~3