Hotfix for memory leak

The Vector class is still leaky, but it's not a noticeable problem with this fix. Proper fixing requries more debugging

Util/kdtree.h

@@ -127,6 +127,8 @@ class KDTree {
                     nearest = current_distance;
                     nearest_triangle = triangle;
                     result = current_result;
+                } else {
+                    delete[] current_result.c;
                 }
             }
         }