Get our user's home directory

Index: system_functions.cpp
--- system_functions.cpp.orig
+++ system_functions.cpp
@@ -413,18 +413,18 @@ bool isAppPortable(){
 }
 //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 void defineAppSettings(QSettings *&settings){
-#if defined(Q_OS_MAC) || defined(Q_WS_X11) || defined(Q_OS_LINUX)
+#if defined(Q_OS_MAC) || defined(Q_WS_X11) || defined(Q_OS_LINUX) || defined(Q_OS_OPENBSD)
     if (isAppPortable())
-        settings = new QSettings(qApp->applicationDirPath() + "/Coil64.conf", QSettings::IniFormat);
+        settings = new QSettings(QDir::homePath() + PORTABLE_SAVE_LOCATION + "/Coil64.conf", QSettings::IniFormat);
     else
-        settings = new QSettings(QSettings::NativeFormat, QSettings::UserScope, QCoreApplication::applicationName(),QCoreApplication::applicationName());
+        settings = new QSettings(QDir::homePath() + PORTABLE_SAVE_LOCATION + "/Coil64.conf", QSettings::IniFormat);
 #elif defined(Q_WS_WIN) || defined(Q_OS_WIN)
     if (isAppPortable())
         settings = new QSettings(qApp->applicationDirPath() + "/Coil64.ini", QSettings::IniFormat);
     else
         settings = new QSettings(QSettings::IniFormat, QSettings::UserScope, QCoreApplication::applicationName(),QCoreApplication::applicationName());
 #else
-    settings = new QSettings(qApp->applicationDirPath() + "/Coil64.conf", QSettings::IniFormat);
+        settings = new QSettings(QDir::homePath() + PORTABLE_SAVE_LOCATION + "/Coil64.conf", QSettings::IniFormat);
 #endif
 }
 //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -434,7 +434,7 @@ QString defineSavePath(){
     settings->beginGroup( "GUI" );
     QString savePath;
     if (isAppPortable())
-        savePath = settings->value("SaveDir", qApp->applicationDirPath() + PORTABLE_SAVE_LOCATION).toString();
+        savePath = settings->value("SaveDir", QDir::homePath() + PORTABLE_SAVE_LOCATION).toString();
     else
         savePath = settings->value("SaveDir", QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation).toUtf8() + USER_SAVE_LOCATION).toString();
     settings->endGroup();