[hackers] [dwm] Revert "manage: For isfloating/oldstate check/set, ensure trans client actually exists" || Hiltjo Posthuma

[git]

commit a4771de5ba54a38b062a7d748635f21c141b5c7e
Author:     Hiltjo Posthuma <hil...@codemadness.org>
AuthorDate: Tue Apr 26 10:30:59 2022 +0200
Commit:     Hiltjo Posthuma <hil...@codemadness.org>
CommitDate: Tue Apr 26 10:30:59 2022 +0200

    Revert "manage: For isfloating/oldstate check/set, ensure trans client 
actually exists"
    
    This reverts commit bece862a0fc4fc18ef9065b18cd28e2032d0d975.
    
    It caused a regression, for example:
    https://lists.suckless.org/hackers/2203/18220.html

diff --git a/dwm.c b/dwm.c
index 0fc328a..823bf6b 100644
--- a/dwm.c
+++ b/dwm.c
@@ -1065,7 +1065,7 @@ manage(Window w, XWindowAttributes *wa)
        XSelectInput(dpy, w, 
EnterWindowMask|FocusChangeMask|PropertyChangeMask|StructureNotifyMask);
        grabbuttons(c, 0);
        if (!c->isfloating)
-               c->isfloating = c->oldstate = t || c->isfixed;
+               c->isfloating = c->oldstate = trans != None || c->isfixed;
        if (c->isfloating)
                XRaiseWindow(dpy, c->win);
        attach(c);