Also respect the supplied version suffix when printing the compiler path name using -PB. Fixes Mantis #25791

* compiler/utils/fpc.pp:
    also apply the versionstr suffix to ppcbin if versionstr is set like is done when really executing the compiler


git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@26887 3ad0048d-3df7-0310-abae-a5850022a9f2