reverted one change to see if unit tests are now successful

Author: JetteReeg

Population.cpp

@@ -1533,11 +1533,17 @@ void Population::clean(void)
 	int ninds = (int)inds.size();
 	if (ninds > 0) {
 		inds.erase(std::remove(inds.begin(), inds.end(), (Individual *)NULL), inds.end());
-#ifdef RS_RCPP || NDEBUG
+#if RS_RCPP
+		shuffle(inds.begin(), inds.end(), pRandom->getRNG());
+#else
+
+#ifdef NDEBUG
 		// do not randomise individuals in DEBUG mode, as the function uses rand()
 		// and therefore the randomisation will differ between identical runs of RS
 		shuffle(inds.begin(), inds.end(), pRandom->getRNG());
-#endif
+#endif // NDEBUG
+
+#endif // RS_RCPP
 	}
 }