M CHANGES → CHANGES

@@ -21,6 +21,7 @@ - Core: Fix crash modifying hash table entry (fixes mgba.io/i/1673)
  - GB Video: Fix some cases where SGB border doesn't draw to mutli-buffers
  - GBA: Reject incorrectly sized BIOSes
  - Qt: Fix OpenGL 2.1 support (fixes mgba.io/i/1678)
+ - Qt: Fix unmapping zipped ROM (fixes mgba.io/i/1777)
 Misc:
  - 3DS: Clean up legacy initialization (fixes mgba.io/i/1768)
  - GBA Serialize: Only flunk BIOS check if official BIOS was expected

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);
 		}
 	}