Don't send unused data.

client/TracyQueue.hpp

@@ -9,7 +9,8 @@ namespace tracy
 enum class QueueType : uint8_t
 {
     ZoneBegin,
-    ZoneEnd
+    ZoneEnd,
+    NUM_TYPES
 };
 
 #pragma pack( 1 )
@@ -47,6 +48,13 @@ struct QueueItem
 
 enum { QueueItemSize = sizeof( QueueItem ) };
 
+static const size_t QueueDataSize[] = {
+    sizeof( QueueHeader ) + sizeof( QueueZoneBegin ),
+    sizeof( QueueHeader ) + sizeof( QueueZoneEnd ),
+};
+
+static_assert( sizeof( QueueDataSize ) / sizeof( size_t ) == (uint8_t)QueueType::NUM_TYPES, "QueueDataSize mismatch" );
+
 };
 
 #endif