atftp: fix musl compile
- add missing __THROW, __BEGIN_DECLS, __END_DECLS and __attribute_pure__
defines in atftp own argz.h file
- add missing sys/types.h include in tftp.h and tftpd.h
Fixes [1]:
argz.h:61:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'extern'
extern error_t __argz_create (char *__const __argv[], char **__restrict __argz,
^
argz.h: In function 'argz_create':
argz.h:64:34: error: expected declaration specifiers before '__THROW'
size_t *__restrict __len) __THROW;
[1] http://autobuild.buildroot.net/results/b7f/b7f205ea2066788ea78a1a819f1b592e84e2455e/
Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
ef33c008e3