server: Allow to specify the class name instead of the atom to find a window.
diff --git a/server/protocol.def b/server/protocol.def
index 5cb951d..90e943b 100644
--- a/server/protocol.def
+++ b/server/protocol.def
@@ -2131,6 +2131,7 @@
user_handle_t parent; /* parent window */
atom_t atom; /* class atom for the listed children */
thread_id_t tid; /* thread owning the listed children */
+ VARARG(class,unicode_str); /* class name */
@REPLY
int count; /* total count of children */
VARARG(children,user_handles); /* children handles */
