core: fix the X360 build by re-adding macro barriers I removed.

src/input/input.cpp

@@ -14,10 +14,12 @@
 
 #include <cstdlib>
 
-#if defined HAVE_SDL_SDL_H
-#   include <SDL/SDL.h>
-#else
-#   include <SDL.h>
+#if defined USE_SDL
+#   if defined HAVE_SDL_SDL_H
+#      include <SDL/SDL.h>
+#   else
+#      include <SDL.h>
+#   endif
 #endif
 
 #include "core.h"

src/platform/sdl/sdlinput.cpp

@@ -12,10 +12,12 @@
 #   include "config.h"
 #endif
 
-#if defined HAVE_SDL_SDL_H
-#   include <SDL/SDL.h>
-#else
-#   include <SDL.h>
+#if defined USE_SDL
+#   if defined HAVE_SDL_SDL_H
+#      include <SDL/SDL.h>
+#   else
+#      include <SDL.h>
+#   endif
 #endif
 
 #include "core.h"

tutorial/05_easymesh.cpp

@@ -24,7 +24,8 @@ public:
     {
         m_angle = 0;
         m_mesh.Compile("sc#e94 scb#964 [acap11 6 6 tx8]");
-        m_mesh.Compile("sc#94e scb#649 [acap3 6 6 tx-8]");
+        m_mesh.Compile("sc#94e scb#649 [acap3 6 6 tx-5 tz-6]");
+        m_mesh.Compile("sc#49e scb#469 [acap31 6 6 tx-5 tz6]");
 
         m_camera = new Camera(vec3(0.f, 600.f, 0.f),
                               vec3(0.f, 0.f, 0.f),