Add reference to fusion-plugin-target.xcconfig to project
Add reference to fusion-plugin-target.xcconfig to project

Even though we'll never use this directly within the project, add a
reference anyway to keep everything visible.

Signed-off-by: Wincent Colaiuta <c76ac2e9cd86441713c7dfae92c451f3e6d17fdc@wincent.com>

wincent/fusion