minor but much clearer fix of buildbot error on solaris

git-svn-id: http://root.cern.ch/svn/root/trunk@39854 27541ba8-7e3a-0410-8455-c3a389f83636

tmva/src/OptimizeConfigParameters.cxx

@@ -133,7 +133,7 @@ std::vector< int > TMVA::OptimizeConfigParameters::GetScanIndices( int val, std:
    std::vector < int > indices;
    for (UInt_t i=0; i< base.size(); i++){
       indices.push_back(val % base[i] );
-      val = int( floor( float(val / base[i]) ) );
+      val = int( floor( float(val) / floor(base[i]) ) );
    }
    return indices;
 }