qemu: Enhance debug message in qemuMonitorSetMigrationCapability

Signed-off-by: NJiri Denemark <jdenemar@redhat.com>
Reviewed-by: NJohn Ferlan <jferlan@redhat.com>

src/qemu/qemu_monitor.c

@@ -3943,7 +3943,8 @@ qemuMonitorSetMigrationCapability(qemuMonitorPtr mon,
                                   qemuMonitorMigrationCaps capability,
                                   bool state)
 {
-    VIR_DEBUG("capability=%d", capability);
+    VIR_DEBUG("capability=%s, state=%d",
+              qemuMonitorMigrationCapsTypeToString(capability), state);
 
     QEMU_CHECK_MONITOR_JSON(mon);