Fixed SDL include path

qgroundcontrol.pri

@@ -30,14 +30,14 @@ win32-msvc2008|win32-msvc2010 {
 DEFINES += _TTY_NOWARN_
 
 # MAC OS X
-macx|macx-g++42|macx-g++: {
+macx|macx-g++42|macx-g++|macx-llvm: {
 
         CONFIG += x86_64 cocoa phonon
         CONFIG -= x86
 
 	QMAKE_MACOSX_DEPLOYMENT_TARGET = 10.6
 
-        INCLUDEPATH += -framework SDL
+        INCLUDEPATH += $$BASEDIR/libs/lib/Frameworks/SDL.framework/Headers
 
         LIBS += -framework IOKit \
                 -F$$BASEDIR/libs/lib/Frameworks \

src/input/JoystickInput.h

@@ -36,7 +36,11 @@ This file is part of the PIXHAWK project
 #include <QThread>
 #include <QList>
 #include <qmutex.h>
+#ifdef Q_OS_MAC
+#include <SDL.h>
+#else
 #include <SDL/SDL.h>
+#endif
 
 #include "UASInterface.h"