Fix bug in which leaving the JS version as JSVERSION_DEFAULT would return

all enumerated property names as strings, as was the case in JS1.1, instead
of the modern (>=JS1.2) behavior of allowing either string or integer property
names.

js/ref/jsinterp.c

@@ -1312,7 +1312,8 @@ js_Interpret(JSContext *cx, jsval *result)
 	    /* Make sure rval is a string for uniformity and compatibility. */
 	    if (!JSVAL_IS_INT(rval)) {
 		rval = ATOM_KEY((JSAtom *)rval);
-	    } else if (cx->version < JSVERSION_1_2) {
+	    } else if ((cx->version <= JSVERSION_1_1) &&
+                       (cx->version >= JSVERSION_1_0)) {
 		str = js_NumberToString(cx, (jsdouble) JSVAL_TO_INT(rval));
 		if (!str) {
 		    ok = JS_FALSE;