[dasher] Fix socket vs <functional> conflict.

[Patrick Welche <pwelche src gnome org>]

commit 8b5b5ef4f373413a18f12e9d5028f81dd05a538e
Author: Joerg Sonnenberger <joerg NetBSD org>
Date:   Wed Aug 19 11:31:35 2020 +0100

    Fix socket vs <functional> conflict.

 Src/DasherCore/SocketInputBase.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/Src/DasherCore/SocketInputBase.cpp b/Src/DasherCore/SocketInputBase.cpp
index 5338f3cb..b19d8f5b 100644
--- a/Src/DasherCore/SocketInputBase.cpp
+++ b/Src/DasherCore/SocketInputBase.cpp
@@ -112,7 +112,7 @@ bool Dasher::CSocketInputBase::StartListening() {
   name.sin_family = AF_INET;
   name.sin_port = htons(port);
   name.sin_addr.s_addr = htonl(INADDR_ANY);
-  if(bind(sock, (struct sockaddr *)&name, sizeof(name)) < 0) {
+  if(::bind(sock, (struct sockaddr *)&name, sizeof(name)) < 0) {
     ReportErrnoError(_("Error binding to socket - already in use?"));
     DASHER_SOCKET_CLOSE_FUNCTION(sock);
     sock = -1;