Fixed a bug in getting the last value when running 2.7

Samo Penic

2016-07-07 56016c6fbb33395c5a06a0cd3f144934782ef5a2

 src/general.h

@@ -313,6 +313,7 @@
   ts_double R_nucleusX;
   ts_double R_nucleusY;
   ts_double R_nucleusZ;
   ts_double nucleus_center[3];
    ts_double area;
} ts_vesicle;