Fix missing include.

src/lib/empthread/pthread.c

@@ -41,6 +41,7 @@
 #include <signal.h>
 #include <errno.h>
 #include <string.h>
+#include <limits.h>
 
 #include "misc.h"
 #include "empthread.h"

src/lib/player/accept.c

@@ -44,6 +44,7 @@
 #include "optlist.h"
 
 #if !defined(_WIN32)
+#include <arpa/inet.h>
 #include <sys/socket.h>
 #include <sys/wait.h>
 #include <sys/time.h>