[patch] add missing patch

revert-3935abc.patch

+From 3935abcd821650620828c44b424398ac363847a7 Mon Sep 17 00:00:00 2001
+From: Alexandre Arnt <falso@correio.com>
+Date: Wed, 6 Jun 2018 17:03:14 -0300
+Subject: [PATCH] - BugFix: Another way to test network connectivity.
+
+---
+ src/unixcommand.cpp | 21 +++++++++++++++++++--
+ 1 file changed, 19 insertions(+), 2 deletions(-)
+
+diff --git a/src/unixcommand.cpp b/src/unixcommand.cpp
+index 191b818..788c139 100644
+--- a/src/unixcommand.cpp
++++ b/src/unixcommand.cpp
+@@ -30,7 +30,7 @@
+ #include <QFileInfo>
+ #include <QByteArray>
+ #include <QTextStream>
+-#include <QtNetwork/QNetworkInterface>
++#include <QtNetwork>
+ 
+ /*
+  * Collection of methods to execute many Unix commands
+@@ -608,7 +608,23 @@ bool UnixCommand::hasInternetConnection()
+  */
+ bool UnixCommand::doInternetPingTest()
+ {
+-  QProcess ping;
++  QTcpSocket socket;
++  QString hostname = "www.google.com";
++
++  socket.connectToHost(hostname, 80);
++  if (socket.waitForConnected(5000))
++    return true;
++  else
++  {
++    hostname = "www.baidu.com";
++    socket.connectToHost(hostname, 80);
++    if (socket.waitForConnected(5000))
++      return true;
++    else
++      return false;
++  }
++
++/*  QProcess ping;
+   int res;
+   QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
+   env.insert("LANG", "C");
+@@ -638,6 +654,7 @@ bool UnixCommand::doInternetPingTest()
+   ping.close();
+ 
+   return (res == 0); //ZERO code means ping was alive!
++*/
+ }
+ 
+ /*