console_handler: print newline on EOF

This avoids the annoying case where the shell prints its prompt
after the last line from Monero output, causing line editing to
sometimes go wonky, for lack of a better term

contrib/epee/include/console_handler.h

@@ -357,6 +357,7 @@ eof:
           if (m_stdin_reader.eos())
           {
             MGINFO("EOF on stdin, exiting");
+            std::cout << std::endl;
             break;
           }
           if (!get_line_ret)