Indentation fixed

git-svn-id: http://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@4601 dfc29bdd-3216-0410-991c-e03cc46cb475
Added comments to EGL manager.

git-svn-id: http://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@4603 dfc29bdd-3216-0410-991c-e03cc46cb475