Bump to ba56fe9.

Revert "Remove dmenumon variable"

This reverts commit c2b748e7931e5f28984efc236f9b1a212dbc65e8.

Revert back this change. It seems to not be an edge-case anymore since
multiple users have asked about this new behaviour now.

Ref.
https://git.suckless.org/dwm/commit/ba56fe9fea0a28d8184a727a987836a0903e2682.html

config.def.h

@@ -851,8 +851,14 @@ static const char *xkb_layouts[]  = {
 #define SHCMD(cmd) { .v = (const char*[]){ "/bin/sh", "-c", cmd, NULL } }
 
 /* commands */
+#if !NODMENU_PATCH
+static char dmenumon[2] = "0"; /* component of dmenucmd, manipulated in spawn() */
+#endif // NODMENU_PATCH
 static const char *dmenucmd[] = {
 	"dmenu_run",
+	#if !NODMENU_PATCH
+	"-m", dmenumon,
+	#endif // NODMENU_PATCH
 	"-fn", dmenufont,
 	"-nb", normbgcolor,
 	"-nf", normfgcolor,