codetools: FindRealCompilerInPath: check for -V

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@44010 4005530d-fff6-0310-9dd1-cebe43e6787f
LCL, DbGrids: fixed compilation with FPC 2.7.1, patch from Udo Schmal and Dennis Fehr, bug 25647

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@44011 4005530d-fff6-0310-9dd1-cebe43e6787f