fd_set and friends, according to POSIX.1-2001, needs sys/select.h, so
include it otherwise the build fails for uClibc:
p11-kit/rpc-transport.c: In function ‘rpc_socket_read’:
p11-kit/rpc-transport.c:350:2: error: unknown type name ‘fd_set’
p11-kit/rpc-transport.c:416:4: warning: implicit declaration of function
‘FD_ZERO’ [-Wimplicit-function-declaration]
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
https://bugs.freedesktop.org/show_bug.cgi?id=93211
#include <string.h>
#ifdef OS_UNIX
+#include <sys/select.h>
#include <sys/socket.h>
#include <sys/wait.h>
#include <sys/un.h>