Alignement on netbsd types, part 1

The following types are modified (old -> new):
 * _BSD_USECONDS_T_ int       -> unsigned int
 * __socklen_t      __int32_t -> __uint32_t
 * blksize_t        uint32_t  -> int32_t
 * rlim_t           uint32_t  -> uint64_t
On ARM:
 * _BSD_CLOCK_T_    int       -> unsigned int
On Intel:
 * _BSD_CLOCK_T_    int       -> unsigned long

bin/cat is also updated in order to fix warnings.

_BSD_TIMER_T_ has still to be aligned.

Change-Id: I2b4fda024125a19901120546c4e22e443ba5e9d7

include/stdlib.h

@@ -144,6 +144,7 @@ size_t	 wcstombs(char * __restrict, const wchar_t * __restrict, size_t);
 int	 rand_r(unsigned int *);
 #endif
 
+
 /*
  * X/Open Portability Guide >= Issue 4
  */