Fix parameter list in virNetlinkEvent{Add,Remove}Client Win32 stubs

The virNetlinkEventAddClient / virNetlinkEventRemoveClient stub
impls had syntax errors in their parameter lists, using a ')'
after the second-to-last parameter instead of a ','
Signed-off-by: NDaniel P. Berrange <berrange@redhat.com>

src/util/virnetlink.c

@@ -815,7 +815,7 @@ int virNetlinkEventServiceLocalPid(unsigned int protocol ATTRIBUTE_UNUSED)
 int virNetlinkEventAddClient(virNetlinkEventHandleCallback handleCB ATTRIBUTE_UNUSED,
                              virNetlinkEventRemoveCallback removeCB ATTRIBUTE_UNUSED,
                              void *opaque ATTRIBUTE_UNUSED,
-                             const virMacAddrPtr macaddr ATTRIBUTE_UNUSED)
+                             const virMacAddrPtr macaddr ATTRIBUTE_UNUSED,
                              unsigned int protocol ATTRIBUTE_UNUSED)
 {
     virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _(unsupported));
@@ -826,7 +826,7 @@ int virNetlinkEventAddClient(virNetlinkEventHandleCallback handleCB ATTRIBUTE_UN
  * virNetlinkEventRemoveClient: unregister a callback from a netlink monitor
  */
 int virNetlinkEventRemoveClient(int watch ATTRIBUTE_UNUSED,
-                                const virMacAddrPtr macaddr ATTRIBUTE_UNUSED)
+                                const virMacAddrPtr macaddr ATTRIBUTE_UNUSED,
                                 unsigned int protocol ATTRIBUTE_UNUSED)
 {
     virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _(unsupported));