LCL: fix TreeNode.Selected behavior. Issue #25178, patch from Ocean.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@43312 4005530d-fff6-0310-9dd1-cebe43e6787f
IndustrialStuff: formatting of AdvLed unit.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@43313 4005530d-fff6-0310-9dd1-cebe43e6787f
IDE: Support for OS msdos/CPU i8086. Issue #25220, patch from Reinier Olislagers.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@43314 4005530d-fff6-0310-9dd1-cebe43e6787f