inet: do not link against libc

This should make its printed errors show up again.

Change-Id: I6839a584dc2a544bae7973ded3ab1dacf04e4ec0

common/lib/libc/gen/bswap64.c

@@ -15,10 +15,6 @@ __RCSID("$NetBSD: bswap64.c,v 1.3 2009/03/16 05:59:21 cegger Exp $");
 
 #undef bswap64
 
-#if defined(__minix) && defined(_STANDALONE)
-#undef bswap32
-#endif /* defined(__minix) && defined(_STANDALONE) */
-
 uint64_t
 bswap64(uint64_t x)
 {

common/lib/libc/hash/sha2/sha2.c

@@ -57,6 +57,10 @@ __RCSID("$NetBSD: sha2.c,v 1.24 2013/06/09 19:46:56 christos Exp $");
 #include "namespace.h"
 #include <string.h>
 
+#if defined(__minix) && defined(_LIBMINC)
+#include <stdint.h> /* for uintptr_t */
+#endif /* defined(__minix) && defined(_LIBMINC) */
+
 #endif
 
 #include <sys/types.h>