jsonrpc-allow-origin.patch

diff --git a/src/jsonrpccpp/server/connectors/httpserver.cpp b/src/jsonrpccpp/server/connectors/httpserver.cpp
index 29088b3..b316a3a 100644
--- a/src/jsonrpccpp/server/connectors/httpserver.cpp
+++ b/src/jsonrpccpp/server/connectors/httpserver.cpp
@@ -124,8 +124,10 @@ bool HttpServer::SendResponse(const std::string& response, void* addInfo)
 {
     struct mg_connection* conn = (struct mg_connection*) addInfo;
     if (mg_printf(conn, "HTTP/1.1 200 OK\r\n"
-                  "Content-Type: application/json\r\n"
+                  "Content-Type: application/json; charset=utf-8\r\n"
                   "Content-Length: %d\r\n"
+                  "Access-Control-Allow-Origin: *\r\n"
+                  "Access-Control-Allow-Headers: Content-Type\r\n"
                   "\r\n"
                   "%s",(int)response.length(), response.c_str()) > 0)
     {