fix translocated segment boundaries

src/libaevol/7/DnaMutator.cpp

@@ -160,11 +160,10 @@ std::unique_ptr<MutationEvent> DnaMutator::generate_large_translocation_event(Ju
   Dna_7::size_type segment_length;
   bool invert;
 
-  pos_1 = prng.random(genome_size);
-  pos_2 = prng.random(genome_size);
-  while (pos_2 == pos_1) {
-    pos_2 = prng.random(genome_size);
-  }
+  pos_1 = prng.random(genome_size + (exp_setup->linear_chrsm() ? 1 : 0));
+  do {
+    pos_2 = prng.random(genome_size + (exp_setup->linear_chrsm() ? 1 : 0));
+  } while (pos_2 == pos_1);
 
   //if (pos_1 == pos_2) return nullptr;