fix include

Author: hmacdope

libdistopia/test/bench.cpp

@@ -10,7 +10,7 @@
 #include <random>
 
 #include "distopia.h"
-#include "compare/distances.h"
+#include "compare/calc_distances.h"
 
 
 #define BOXSIZE 30

libdistopia/test/test_mda_match.cpp

@@ -6,7 +6,7 @@
 #include "distopia.h"
 #include "test_utils.h"
 #include "test_fixtures.h"
-#include "compare/distances.h"
+#include "compare/calc_distances.h"
 
 using testing::Types;
 typedef Types<float, double> ScalarTypes;