Correct the fix for #10252: Popen objects have no close method.

Lib/distutils/cygwinccompiler.py

@@ -377,7 +377,9 @@ def _find_exe_version(cmd):
     try:
         out_string = out.read()
     finally:
-        out.close()
+        out.stdin.close()
+        out.stdout.close()
+        out.stderr.close()
     result = RE_VERSION.search(out_string)
     if result is None:
         return None