Fix memory leak.  This is part of SF patch #478006.
diff --git a/Modules/sunaudiodev.c b/Modules/sunaudiodev.c
index 7bf867b..e4c4c9f 100644
--- a/Modules/sunaudiodev.c
+++ b/Modules/sunaudiodev.c
@@ -103,6 +103,7 @@
 	}
 	if (fd < 0) {
 		PyErr_SetFromErrnoWithFilename(SunAudioError, opendev);
+		PyMem_DEL(ctldev);
 		return NULL;
 	}
 	PyMem_DEL(ctldev);