libxl: move libxlDomainEventQueue to libxl_domain

Move libxlDomainEventQueue from libxl_driver to libxl_domain for
use by other libxl modules.
Signed-off-by: NJim Fehlig <jfehlig@suse.com>

src/libxl/libxl_domain.c

@@ -549,3 +549,9 @@ cleanup:
     VIR_FREE(log_file);
     return ret;
 }
+
+void
+libxlDomainEventQueue(libxlDriverPrivatePtr driver, virObjectEventPtr event)
+{
+    virObjectEventStateQueue(driver->domainEventState, event);
+}

src/libxl/libxl_domain.h

@@ -91,4 +91,8 @@ libxlDomainObjEndJob(libxlDriverPrivatePtr driver,
                      virDomainObjPtr obj)
     ATTRIBUTE_RETURN_CHECK;
 
+void
+libxlDomainEventQueue(libxlDriverPrivatePtr driver,
+                      virObjectEventPtr event);
+
 #endif /* LIBXL_DOMAIN_H */

src/libxl/libxl_driver.c

@@ -106,12 +106,6 @@ libxlDomObjFromDomain(virDomainPtr dom)
     return vm;
 }
 
-static void
-libxlDomainEventQueue(libxlDriverPrivatePtr driver, virObjectEventPtr event)
-{
-    virObjectEventStateQueue(driver->domainEventState, event);
-}
-
 static int
 libxlAutostartDomain(virDomainObjPtr vm,
                      void *opaque)