fix args checking for chpass.

from ptd

honk.go

@@ -373,7 +373,11 @@ func main() {
 		}
 		deluser(args[1])
 	case "chpass":
-		chpass()
+		if len(args) < 2 {
+			fmt.Printf("usage: honk chpass username\n")
+			return
+		}
+		chpass(args[1])
 	case "cleanup":
 		arg := "30"
 		if len(args) > 1 {

util.go

@@ -255,12 +255,8 @@ func deluser(username string) {
 	doordie(db, "delete from users where userid = ?", userid)
 }
 
-func chpass() {
-	if len(os.Args) < 3 {
-		fmt.Printf("need a username\n")
-		os.Exit(1)
-	}
-	user, err := butwhatabout(os.Args[2])
+func chpass(username string) {
+	user, err := butwhatabout(username)
 	if err != nil {
 		elog.Fatal(err)
 	}