layers: Fix Memtracker fence-related memory leak
MemTracker created internal fence objects to locally track command buffer
completion, but these objects were never destroyed.
diff --git a/layers/mem_tracker.h b/layers/mem_tracker.h
index 5e26147..930d972 100644
--- a/layers/mem_tracker.h
+++ b/layers/mem_tracker.h
@@ -149,5 +149,6 @@
uint32_t colorAttachmentCount;
XGL_DEPTH_STENCIL_BIND_INFO dsBindInfo;
XGL_CMD_BUFFER cmdBuffer;
- XGL_FENCE fence; // fence tracking this cmd buffer
+ XGL_FENCE fence; // fence tracking this cmd buffer
+ bool32_t localFlag; // fence is internal to layer
} GLOBAL_CB_NODE;