bbs.revert_text() (called with no args) is supposed to revert all text strings

and not throw and exception. :-(

This was broken in commit 6dbd2fec

Caught by code review.

src/sbbs3/js_bbs.cpp

@@ -1588,15 +1588,13 @@ static JSBool
 js_revert_text(JSContext *cx, uintN argc, jsval *arglist)
 {
 	jsval * argv = JS_ARGV(cx, arglist);
-	uint32  i = 0;
+	uint32  i = TOTAL_TEXT;
 	sbbs_t* sbbs;
 
 	if ((sbbs = js_GetPrivate(cx, JS_THIS_OBJECT(cx, arglist))) == NULL)
 		return JS_FALSE;
 
-	if (js_argcIsInsufficient(cx, argc, 1))
-		return JS_FALSE;
-
+	if (argc > 0) {
 		if (JSVAL_IS_NUMBER(argv[0])) {
 			if (!JS_ValueToECMAUint32(cx, argv[0], &i))
 				return JS_FALSE;
@@ -1610,6 +1608,7 @@ js_revert_text(JSContext *cx, uintN argc, jsval *arglist)
 			i = sbbs->get_text_num(id);
 			free(id);
 		}
+	}
 
 	if (i >= TOTAL_TEXT) {
 		for (i = 0; i < TOTAL_TEXT; i++) {