Tweaked the re-use flags for DatagramSocket

modules/juce_core/network/juce_Socket.cpp

@@ -263,6 +263,12 @@ namespace SocketHelpers
 
         return true;
     }
+
+    static void makeReusable (int handle) noexcept
+    {
+        const int reuse = 1;
+        setsockopt (handle, SOL_SOCKET, SO_REUSEADDR, (const char*) &reuse, sizeof (reuse));
+    }
 }
 
 //==============================================================================
@@ -419,8 +425,7 @@ bool StreamingSocket::createListener (const int newPortNumber, const String& loc
         return false;
 
    #if ! JUCE_WINDOWS // on windows, adding this option produces behaviour different to posix
-    const int reuse = 1;
-    setsockopt (handle, SOL_SOCKET, SO_REUSEADDR, (const char*) &reuse, sizeof (reuse));
+    SocketHelpers::makeReusable (handle);
    #endif
 
     if (bind (handle, (struct sockaddr*) &servTmpAddr, sizeof (struct sockaddr_in)) < 0
@@ -472,6 +477,7 @@ DatagramSocket::DatagramSocket (const int localPortNumber, const bool canBroadca
     SocketHelpers::initSockets();
 
     handle = (int) socket (AF_INET, SOCK_DGRAM, 0);
+    SocketHelpers::makeReusable (handle);
     bindToPort (localPortNumber);
 }