qemud: prevent recursive closure of clients.

+ add android/hw-qemud-pipe.h

Change-Id: Icf7b316137cd9f1ce46e4c3642addccea6222a24
diff --git a/android/hw-qemud.h b/android/hw-qemud.h
index 18eec6f..cd05737 100644
--- a/android/hw-qemud.h
+++ b/android/hw-qemud.h
@@ -90,12 +90,12 @@
  * (see below).
  */
 extern QemudClient*  qemud_client_new( QemudService*     service,
-                                       int               channel_id,
-                                       void*             clie_opaque,
-                                       QemudClientRecv   clie_recv,
-                                       QemudClientClose  clie_close,
-                                       QemudClientSave   clie_save,
-                                       QemudClientLoad   clie_load );
+                                        int               channel_id,
+                                        void*             clie_opaque,
+                                        QemudClientRecv   clie_recv,
+                                        QemudClientClose  clie_close,
+                                        QemudClientSave   clie_save,
+                                        QemudClientLoad   clie_load );
 
 /* Enable framing on a given client channel.
  */