Modifications required to build under OSX

- moved QSurfaceFormat::setDefaultFormat(fmt); higher up in main, as
  osx requires this.
- ifdef'ed out two glEnable calls as they cause Xybrid to segfault on OSX

xybrid/main.cpp

@@ -13,13 +13,15 @@
 
 int main(int argc, char *argv[]) {
     qRegisterMetaType<Xybrid::Data::Port>();
-
-    QApplication a(argc, argv);
-
     // enable antialiasing on accelerated graphicsview
     QSurfaceFormat fmt;
     fmt.setSamples(10);
+
     QSurfaceFormat::setDefaultFormat(fmt);
+    QApplication a(argc, argv);
+
+
+
 
     // make sure bundled fonts are loaded
     QFontDatabase::addApplicationFont(":/fonts/iosevka-term-light.ttf");

xybrid/mainwindow.cpp

@@ -325,8 +325,11 @@ MainWindow::MainWindow(QWidget *parent) :
             view->setViewport(vp); // enable hardware acceleration
         }
         view->setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform | QPainter::HighQualityAntialiasing);
+        // Under OSX these cause Xybrid to crash.
+        #ifndef __APPLE__
         glEnable(GL_MULTISAMPLE);
         glEnable(GL_LINE_SMOOTH);
+        #endif
         //QGL::FormatOption::Rgba