Patch #775784: YA Cygwin expected regression test skip patch

This patch just adds test_ioctl to the list of expected skips for Cygwin.
diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py
index 5b7c41e..12e65e5 100755
--- a/Lib/test/regrtest.py
+++ b/Lib/test/regrtest.py
@@ -868,6 +868,7 @@
         test_email_codecs
         test_gl
         test_imgfile
+        test_ioctl
         test_largefile
         test_linuxaudiodev
         test_locale