Simplify the bug fix made by 41312154.

Note: stdlib.h provides u_int32_t etc. and stdint.h uint32_t etc., that's why the symbol wasn't found (no need typedef, just include).

wrapper/matlab/tools/class_handle.hpp

@@ -9,15 +9,10 @@
 #include <string>
 #include <cstring>
 #include <typeinfo>
+#include <stdint.h>
 
 
 
-#if !defined(__MACH__) && !defined(_STDINT_H) // from /usr/include/stdint.h and bits/stdint-uintn.h
-	typedef unsigned long int uint32_t;
-	typedef unsigned long long int uint64_t;
-#endif
-
-
 #define CLASS_HANDLE_SIGNATURE 0xFF00F0A5
 template<class base> class class_handle
 {