MacOSX can be case-sensitive

Dear developers under OSX,
even if your OS per default uses case-insensitive HFS+, there are people out there who prefer to use a case-sensitive file-system and do not like you to include AudioToolBox.h while the file is called AudioToolbox.h...
So one patch against desmume and two against yabause and they work flawlessly on my OSX.

And dear MacOSX developers,
when you want to develop a great OS, don't let it throw "unsupported architecture" when the Info.plist of an app says that the executable is "Foo" while the MacOS dir only contains a "foo" one...

(sorry, german screenshot, I'm lazy)