getAlignLeft, getAlignRight, getAlignTop, getAlignBottom.
Deliberately not mirroring setAlignment function, as that takes 4 parameters and that's always a bit ugly to return.
git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6187 dfc29bdd-3216-0410-991c-e03cc46cb475