fix shared_array output limit off by one

test/testtype.cpp

@@ -572,8 +572,8 @@ void testFormat()
         "        union choice.one int32_t = 1024\n"
         "    } scalar\n"
         "    struct {\n"
-        "        int32_t[] i32 = {4}[1, -1, ...]\n"
-        "        string[] s = {3}[\"one\", \"two\", ...]\n"
+        "        int32_t[] i32 = {4}[1, ...]\n"
+        "        string[] s = {3}[\"one\", ...]\n"
         "        any[] wildcard = {2}[\n"
         "            string = \"simple\"\n"
         "            ...\n"