Android: Fixed assets/game.love fusing not being recognized.

Fixes love2d/love-android#267.

src/common/android.cpp

@@ -385,18 +385,20 @@ struct AssetInfo: public love::filesystem::physfs::PhysfsIo<AssetInfo>
 		return 1;
 	}
 
-	AssetInfo *duplicate() const
+	AssetInfo(const AssetInfo &other)
+	: assetManager(other.assetManager)
+	, size(strlen(other.filename) + 1)
 	{
-		AAsset *newAsset = AAssetManager_open(assetManager, filename, AASSET_MODE_RANDOM);
+		asset = AAssetManager_open(assetManager, other.filename, AASSET_MODE_RANDOM);
 
-		if (newAsset == nullptr)
+		if (asset == nullptr)
 		{
 			PHYSFS_setErrorCode(PHYSFS_ERR_OS_ERROR);
-			return nullptr;
+			throw new love::Exception("Unable to duplicate AssetInfo");
 		}
 
-		AAsset_seek64(asset, tell(), SEEK_SET);
+		filename = new (std::nothrow) char[size];
-		return fromAAsset(assetManager, filename, asset);
+		memcpy(filename, other.filename, size);
 	}
 
 	~AssetInfo() override

src/modules/filesystem/physfs/Filesystem.cpp

@@ -245,8 +245,14 @@ bool Filesystem::setSource(const char *source)
 	if (hasFusedGame)
 	{
 		if (gameLoveIO)
-			// Actually we should just be able to mount gameLoveIO, but that's experimental.
+		{
+			if (PHYSFS_mountIo(gameLoveIO, ".zip", nullptr, 0)) {
+				gameSource = new_search_path;
+				return true;
+			}
+
 			gameLoveIO->destroy(gameLoveIO);
+		}
 		else
 		{
 			if (!love::android::initializeVirtualArchive())
@@ -274,6 +280,8 @@ bool Filesystem::setSource(const char *source)
 				gameSource = new_search_path;
 				return true;
 			}
+
+			io->destroy(io);
 		}
 	}
 #endif