Use the right function pointer. :)
--- a/src/video/cocoa/SDL_cocoavideo.m Fri Sep 14 11:07:47 2012 -0400
+++ b/src/video/cocoa/SDL_cocoavideo.m Fri Sep 14 11:09:13 2012 -0400
@@ -100,7 +100,7 @@
device->MaximizeWindow = Cocoa_MaximizeWindow;
device->MinimizeWindow = Cocoa_MinimizeWindow;
device->RestoreWindow = Cocoa_RestoreWindow;
- device->SetWindowFullscreen = Cocoa_SetWindowBordered;
+ device->SetWindowBordered = Cocoa_SetWindowBordered;
device->SetWindowFullscreen = Cocoa_SetWindowFullscreen;
device->SetWindowGammaRamp = Cocoa_SetWindowGammaRamp;
device->GetWindowGammaRamp = Cocoa_GetWindowGammaRamp;