Don't destroy packet at broadcast with instant delivery

Source/Managed/ENet.cs

@@ -530,7 +530,7 @@ namespace ENet {
 			CheckCreated();
 
 			packet.CheckCreated();
-			Native.enet_host_broadcast_excluding(nativeHost, channelID, packet.NativeData, excludedPeer.NativeData);
+			Native.enet_host_broadcast_exclude(nativeHost, channelID, packet.NativeData, excludedPeer.NativeData);
 			packet.NativeData = IntPtr.Zero;
 		}
 
@@ -967,7 +967,7 @@ namespace ENet {
 		internal static extern void enet_host_broadcast(IntPtr host, byte channelID, IntPtr packet);
 
 		[DllImport(nativeLibrary, CallingConvention = CallingConvention.Cdecl)]
-		internal static extern void enet_host_broadcast_excluding(IntPtr host, byte channelID, IntPtr packet, IntPtr excludedPeer);
+		internal static extern void enet_host_broadcast_exclude(IntPtr host, byte channelID, IntPtr packet, IntPtr excludedPeer);
 
 		[DllImport(nativeLibrary, CallingConvention = CallingConvention.Cdecl)]
 		internal static extern void enet_host_broadcast_selective(IntPtr host, byte channelID, IntPtr packet, IntPtr[] peers, IntPtr peersLength);

Source/Native/enet.h

@@ -740,7 +740,7 @@ extern "C" {
 	ENET_API int enet_host_service(ENetHost*, ENetEvent*, enet_uint32);
 	ENET_API void enet_host_flush(ENetHost*);
 	ENET_API void enet_host_broadcast(ENetHost*, enet_uint8, ENetPacket*);
-	ENET_API void enet_host_broadcast_excluding(ENetHost*, enet_uint8, ENetPacket*, ENetPeer*);
+	ENET_API void enet_host_broadcast_exclude(ENetHost*, enet_uint8, ENetPacket*, ENetPeer*);
 	ENET_API void enet_host_broadcast_selective(ENetHost*, enet_uint8, ENetPacket*, ENetPeer**, size_t);
 	ENET_API void enet_host_channel_limit(ENetHost*, size_t);
 	ENET_API void enet_host_bandwidth_limit(ENetHost*, enet_uint32, enet_uint32);
@@ -4114,11 +4114,11 @@ extern "C" {
 			enet_peer_send(currentPeer, channelID, packet);
 		}
 
-		if (packet->referenceCount == 0)
+		if (!(packet->flags & ENET_PACKET_FLAG_INSTANT) && packet->referenceCount == 0)
 			enet_packet_destroy(packet);
 	}
 
-	void enet_host_broadcast_excluding(ENetHost* host, enet_uint8 channelID, ENetPacket* packet, ENetPeer* excludedPeer) {
+	void enet_host_broadcast_exclude(ENetHost* host, enet_uint8 channelID, ENetPacket* packet, ENetPeer* excludedPeer) {
 		ENetPeer* currentPeer;
 
 		for (currentPeer = host->peers; currentPeer < &host->peers[host->peerCount]; ++currentPeer) {
@@ -4128,8 +4128,8 @@ extern "C" {
 			enet_peer_send(currentPeer, channelID, packet);
 		}
 
-		if (packet->referenceCount == 0)
-			enet_packet_destroy(packet);		
+		if (!(packet->flags & ENET_PACKET_FLAG_INSTANT) && packet->referenceCount == 0)
+			enet_packet_destroy(packet);
 	}
 
 	void enet_host_broadcast_selective(ENetHost* host, enet_uint8 channelID, ENetPacket* packet, ENetPeer** peers, size_t length) {
@@ -4148,7 +4148,7 @@ extern "C" {
 			enet_peer_send(currentPeer, channelID, packet);
 		}
 
-		if (packet->referenceCount == 0)
+		if (!(packet->flags & ENET_PACKET_FLAG_INSTANT) && packet->referenceCount == 0)
 			enet_packet_destroy(packet);
 	}