wm: glendy

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gui9.c: better usage

--- a/gui9.c

+++ b/gui9.c

@@ -269,7 +269,12 @@

 void

 usage(void)

 {

-	fprint(2, "usage: %s [-dg] [-n server]\n", argv0);

+	fprint(2, "usage: %s [-dg] [-s sidenum] [-n server]\n"

+	"side:\n"

+	"\t0: trapper\n"

+	"\t1: glenda\n"

+	"\t2: random\n"

+	, argv0);

 	exits("usage");

 }