Fixed compiling issues on mac os x with llvm-gcc 4.2

src/window.c

@@ -6,6 +6,7 @@
 //------------------------------------------------------------------------
 // Copyright (c) 2002-2006 Marcus Geelnard
 // Copyright (c) 2006-2010 Camilla Berglund <elmindreda@elmindreda.org>
+// Copyright (c) 2012 Torsten Walluhn <tw@mad-cad.net>
 //
 // This software is provided 'as-is', without any express or implied
 // warranty. In no event will the authors be held liable for any damages
@@ -32,7 +33,11 @@
 
 #include <string.h>
 #include <stdlib.h>
+#ifdef __APPLE__
+#include <sys/malloc.h>
+#else
 #include <malloc.h>
+#endif
 
 
 //========================================================================