src: correct json writer placement in process.report

PR-URL: #28433
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

src/node_report.cc

@@ -366,7 +366,6 @@ static void PrintJavaScriptStack(JSONWriter* writer,
   int line = ss.find('\n');
   if (line == -1) {
     writer->json_keyvalue("message", ss);
-    writer->json_objectend();
   } else {
     std::string l = ss.substr(0, line);
     writer->json_keyvalue("message", l);
@@ -382,8 +381,8 @@ static void PrintJavaScriptStack(JSONWriter* writer,
       ss = ss.substr(line + 1);
       line = ss.find('\n');
     }
+    writer->json_arrayend();
   }
-  writer->json_arrayend();
   writer->json_objectend();
 }