add pdf lib to lua_pictures to fix linker error

Revert "Revert "add document and textAlign support to lua""

This reverts commit f603260d7df6315788af3eadb18db556daf41c13.

git-svn-id: http://skia.googlecode.com/svn/trunk@9482 2bbb7eff-a529-9590-31e7-b0007b416f81
3 files changed