N3DS port (squashed)

A dedicated renderer using Citro3D would likely allow for better
much better graphical performances.

src/dynapi/SDL_dynapi.h

@@ -63,6 +63,8 @@
 #define SDL_DYNAMIC_API 0  /* vitasdk doesn't support dynamic linking */
 #elif defined(__NGAGE__)
 #define SDL_DYNAMIC_API 0  /* The N-Gage doesn't support dynamic linking either */
+#elif defined(__3DS__)
+#define SDL_DYNAMIC_API 0  /* devkitARM doesn't support dynamic linking */
 #elif defined(DYNAPI_NEEDS_DLOPEN) && !defined(HAVE_DLOPEN)
 #define SDL_DYNAMIC_API 0  /* we need dlopen(), but don't have it.... */
 #endif