Add icon to oracle

oracle/src/main.cpp

@@ -1,5 +1,6 @@
 #include <QApplication>
 #include <QTextCodec>
+#include <QIcon>
 #include "oraclewizard.h"
 #include "settingscache.h"
 
@@ -18,10 +19,14 @@ int main(int argc, char *argv[])
 	QCoreApplication::setOrganizationDomain("cockatrice");
 	// this can't be changed, as it influences the default savepath for cards.xml
 	QCoreApplication::setApplicationName("Cockatrice");
-	
+
 	settingsCache = new SettingsCache;
 
 	OracleWizard wizard;
+
+    QIcon icon(":/resources/appicon.svg");
+    wizard.setWindowIcon(icon);
+
 	wizard.show();
 
 	return app.exec();