enet: Resync with upstream we forked at, add patch

Before rebasing on the newly released enet 1.3.14, let's resync with the actual
commit we initially imported, which seems to be:
https://github.com/lsalzman/enet/commit/f46fee0acc8e243b2b6910b09693f93c3aad775f

thirdparty/enet/protocol.c

@@ -9,7 +9,6 @@
 #include "enet/time.h"
 #include "enet/enet.h"
 
-
 static size_t commandSizes [ENET_PROTOCOL_COMMAND_COUNT] =
 {
     0,
@@ -1691,7 +1690,7 @@ enet_protocol_send_outgoing_commands (ENetHost * host, ENetEvent * event, int ch
                                         & host -> buffers [1], host -> bufferCount - 1,
                                         originalSize,
                                         host -> packetData [1],
-					originalSize);
+                                        originalSize);
             if (compressedSize > 0 && compressedSize < originalSize)
             {
                 host -> headerFlags |= ENET_PROTOCOL_HEADER_FLAG_COMPRESSED;