Reorder and reindent.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code@4613 dfc29bdd-3216-0410-991c-e03cc46cb475
Reindent.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code@4614 dfc29bdd-3216-0410-991c-e03cc46cb475
Add ogles2 files for Linux makefile.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code@4615 dfc29bdd-3216-0410-991c-e03cc46cb475