Add support for Mageia Linux, 32bit; Savannah #99865


git-svn-id: https://root.cern.ch/svn/root/trunk@48332 27541ba8-7e3a-0410-8455-c3a389f83636
from Gabriel: fix compilation on Windows and Solaris


git-svn-id: https://root.cern.ch/svn/root/trunk@48333 27541ba8-7e3a-0410-8455-c3a389f83636