Fixed up new functions and files so that they build as part of SDL.

include/SDL_poly.h

@@ -68,7 +68,7 @@ typedef struct SDL_Poly {
  *  
  *  \return SDL_TRUE if the polygons are equal, SDL_FALSE otherwise.
  */
-extern DECLSPEC SDL_bool SDLCALL SDL_PolyEquals(const SDL_Poly *A,const SDL_Poly *A);
+extern DECLSPEC SDL_bool SDLCALL SDL_PolyEquals(const SDL_Poly *A,const SDL_Poly *B);
 
 /**
  *  \brief Determine whether two rectangles intersect.

include/SDL_video.h

@@ -1256,7 +1256,7 @@ extern DECLSPEC int SDLCALL SDL_RenderDrawEllipse(const SDL_Ellipse ellipse);
  *  
  *  \return 0 on success, or -1 if there is no rendering context current.
  */
-extern DECLSPEC int SDLCALL SDL_RenderDrawEllipses(const SDL_Ellipse ** ellipse, int count);
+extern DECLSPEC int SDLCALL SDL_RenderDrawEllipses(const SDL_Ellipse * ellipse, int count);
 
 /**
  *  \brief Fill an ellipse on the current rendering target with the drawing color.

src/video/SDL_video.c

@@ -2546,7 +2546,7 @@ int SDL_RenderFillEllipse(const SDL_Ellipse ellipse) {
     return SDL_RenderFillEllipses(&ellipse,1);
 }
 
-int SDL_RenderFillEllipses(const SDL_Ellipse ** ellipse, int count) {
+int SDL_RenderFillEllipses(const SDL_Ellipse * ellipse, int count) {
     return -1;
 }