Do not depend on config.h in public header.

diff -up cracklib-2.9.1/lib/packer.h.inttypes cracklib-2.9.1/lib/packer.h

--- cracklib-2.9.1/lib/packer.h.inttypes	2013-12-03 15:00:15.000000000 +0100

+++ cracklib-2.9.1/lib/packer.h	2013-12-09 09:07:38.306394809 +0100

@@ -30,17 +30,7 @@

 #define _(String) (String)

 #endif

-#if defined(HAVE_INTTYPES_H)

-#include <inttypes.h>

-#else

-#if defined(HAVE_STDINT_H)

 #include <stdint.h>

-#else

-typedef unsigned int uint32_t;

-typedef unsigned short uint16_t;

-#endif

-#endif

-

 struct pi_header

 {