Unused pixels in the jungle boat's texture file

The jungle boat has a few unused pixels in its texture. This is not an issue for other boat textures including the jungle chest boat.

Step to Reproduce:
1. Go to the textures folder in the files for the latest version of Minecraft
2. Look in the folder titled 'entity'
3. Look in the folder titled 'boat'

Expected Result:
The texture for jungle boats match all other boat textures

Observed Result:
The texture for jungle boats has a few unused pixels