fix little build problems

Author: bhaller

core/population.cpp

@@ -2487,7 +2487,7 @@ bool Population::ApplyRecombinationCallbacks(Individual *p_parent, Haplosome *p_
 			if (recombination_callback->chromosome_id_ != -1)
 			{
 				// check that this callback applies to the focal chromosome
-				int64_t focal_chromosome_id = p_haplosome1->AssociatedChromosome()->id_;
+				int64_t focal_chromosome_id = p_haplosome1->AssociatedChromosome()->ID();
 
 				if (recombination_callback->chromosome_id_ != focal_chromosome_id)
 					continue;

core/species_eidos.cpp

@@ -3633,7 +3633,7 @@ EidosValue_SP Species::ExecuteMethod_registerMateModifyRecSurvCallback(EidosGlob
 
 			Chromosome *chromosome = chromosomes_[chromosome_indices[0]];
 
-			new_script_block->chromosome_id_ = chromosome->id_;
+			new_script_block->chromosome_id_ = chromosome->ID();
 		}
 	}