virDomainIsUpdated: define the new public API

introduce new public API "virDomainIsUpdated"

* src/conf/domain_conf.h (new member "updated" for "virDomainObj")
* src/libvirt_public.syms
* include/libvirt/libvirt.h.in

include/libvirt/libvirt.h.in

@@ -1931,6 +1931,7 @@ int virStreamFree(virStreamPtr st);
 
 int virDomainIsActive(virDomainPtr dom);
 int virDomainIsPersistent(virDomainPtr dom);
+int virDomainIsUpdated(virDomainPtr dom);
 
 int virNetworkIsActive(virNetworkPtr net);
 int virNetworkIsPersistent(virNetworkPtr net);

src/conf/domain_conf.h

@@ -1010,6 +1010,7 @@ struct _virDomainObj {
 
     unsigned int autostart : 1;
     unsigned int persistent : 1;
+    unsigned int updated : 1;
 
     virDomainDefPtr def; /* The current definition */
     virDomainDefPtr newDef; /* New definition to activate at shutdown */

src/libvirt_public.syms

@@ -416,6 +416,7 @@ LIBVIRT_0.8.5 {
 LIBVIRT_0.8.6 {
     global:
         virDomainOpenConsole;
+        virDomainIsUpdated;
 } LIBVIRT_0.8.5;
 
 # .... define new API here using predicted next version number ....