remove whitespaces in ipaddress field

src/gui/qt/joinnetworkgamedialog/joinnetworkgamedialogimpl.cpp

@@ -42,6 +42,8 @@ joinNetworkGameDialogImpl::joinNetworkGameDialogImpl(QWidget *parent, ConfigFile
 		treeWidget->setDisabled(TRUE);
 	}
 
+	connect( lineEdit_ipAddress, SIGNAL( editingFinished ()), this, SLOT( checkIp() ) );
+
 	connect( pushButton_connect, SIGNAL( clicked() ), this, SLOT( startClient() ) );
 	connect( pushButton_save, SIGNAL( clicked() ), this, SLOT( saveServerProfile() ) );
 	connect( pushButton_delete, SIGNAL( clicked() ), this, SLOT( deleteServerProfile() ) );
@@ -278,3 +280,10 @@ void joinNetworkGameDialogImpl::keyPressEvent ( QKeyEvent * event ) {
 // 	std::cout << "key" << event->key();
 	if (event->key() == 16777220) { pushButton_connect->click(); } //ENTER 
 }
+
+void joinNetworkGameDialogImpl::checkIp() {
+	
+	//remove whitespaces
+	QString tmp = lineEdit_ipAddress->text();
+	lineEdit_ipAddress->setText(tmp.remove(" "));
+}

src/gui/qt/joinnetworkgamedialog/joinnetworkgamedialogimpl.h

@@ -48,6 +48,7 @@ public slots:
 	void saveServerProfile();
 	void deleteServerProfile();
 	void keyPressEvent ( QKeyEvent * event );
+	void checkIp();
 };
 
 #endif