Add a file descriptor set to the QEMU private domain structure.

---
 src/qemu/qemu_domain.c |    4 ++++
 src/qemu/qemu_domain.h |    3 +++
 2 files changed, 7 insertions(+)

Index: libvirt/src/qemu/qemu_domain.c
===================================================================
--- libvirt.orig/src/qemu/qemu_domain.c
+++ libvirt/src/qemu/qemu_domain.c
@@ -37,6 +37,7 @@
 #include "domain_event.h"
 #include "virtime.h"
 #include "virstoragefile.h"
+#include "virintset.h"
 
 #include <sys/time.h>
 #include <fcntl.h>
@@ -220,6 +221,8 @@ static void *qemuDomainObjPrivateAlloc(v
 
     priv->migMaxBandwidth = QEMU_DOMAIN_MIG_BANDWIDTH_MAX;
 
+    virIntSetInit(&priv->fdset);
+
     return priv;
 
 error:
@@ -252,6 +255,7 @@ static void qemuDomainObjPrivateFree(voi
         qemuAgentClose(priv->agent);
     }
     VIR_FREE(priv->cleanupCallbacks);
+    virIntSetClear(&priv->fdset);
     VIR_FREE(priv);
 }
 
Index: libvirt/src/qemu/qemu_domain.h
===================================================================
--- libvirt.orig/src/qemu/qemu_domain.h
+++ libvirt/src/qemu/qemu_domain.h
@@ -32,6 +32,7 @@
 # include "qemu_conf.h"
 # include "qemu_capabilities.h"
 # include "virchrdev.h"
+# include "virintset.h"
 
 # define QEMU_EXPECTED_VIRT_TYPES      \
     ((1 << VIR_DOMAIN_VIRT_QEMU) |     \
@@ -160,6 +161,8 @@ struct _qemuDomainObjPrivate {
     qemuDomainCleanupCallback *cleanupCallbacks;
     size_t ncleanupCallbacks;
     size_t ncleanupCallbacks_max;
+
+    virIntSet fdset;
 };
 
 struct qemuDomainWatchdogEvent