stats would suicide if envoked with a non-existant host name arg,
now checks at least one valid host is specified.
-Steve

Reference: /n/sources/patch/applied/stats-suicide
Date: Sat Oct 16 06:10:26 CES 2004

--- /sys/src/cmd/stats.c	Sat Oct 16 06:10:27 2004
+++ /sys/src/cmd/stats.c	Sat Oct 16 06:10:26 2004
@@ -1259,6 +1259,8 @@
 			if (addmachine(argv[i]))
 				readmach(&mach[j++], 1);
 		}
+		if (j == 0)
+			exits("connect");
 	}
 
 	for(i=0; i<nargs; i++)