Correctness fixes for NaCl and other platforms.

Add missing includes of stdio.h, and prefer |IN6ADDR_ANY_INIT| to
|in6addr_any|.

Change-Id: Ia6663ecd6f87008cb82979ef65620a55d8c9405b
Reviewed-on: https://boringssl-review.googlesource.com/11626
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
diff --git a/tool/transport_common.cc b/tool/transport_common.cc
index 8761fea..745e8df 100644
--- a/tool/transport_common.cc
+++ b/tool/transport_common.cc
@@ -154,7 +154,7 @@
   memset(&addr, 0, sizeof(addr));
 
   addr.sin6_family = AF_INET6;
-  addr.sin6_addr = in6addr_any;
+  addr.sin6_addr = IN6ADDR_ANY_INIT;
   addr.sin6_port = htons(atoi(port.c_str()));
 
   bool ok = false;