M CHANGES → CHANGES

@@ -42,6 +42,7 @@ - Debugger: Don't skip undefined instructions when debugger attached
  - Qt: Force OpenGL paint engine creation thread (fixes mgba.io/i/1642)
  - Qt: Fix OpenGL 2.1 support (fixes mgba.io/i/1678)
  - Qt: Fix static compilation in MinGW (fixes mgba.io/i/1769)
+ - Qt: Fix unmapping zipped ROM (fixes mgba.io/i/1777)
 Misc:
  - 3DS: Clean up legacy initialization (fixes mgba.io/i/1768)
  - Debugger: Keep track of global cycle count

M src/platform/qt/CoreManager.cpp → src/platform/qt/CoreManager.cpp

@@ -65,7 +65,7 @@ ssize_t size;
 		if (vfOriginal && (size = vfOriginal->size(vfOriginal)) > 0) {
 			void* mem = vfOriginal->map(vfOriginal, size, MAP_READ);
 			vf = VFileMemChunk(mem, size);
-			vfOriginal->unmap(vfOriginal, mem, (size_t) read);
+			vfOriginal->unmap(vfOriginal, mem, size);
 			vfOriginal->close(vfOriginal);
 		}
 	}