use die instead of MPI_Abort

Author: stgeke

src/crystal.c

@@ -141,7 +141,7 @@ void crystal_router(struct crystal *p)
       fprintf(stderr, "Error in crystal_router: rank = %d send_n = %lld (> "
         "INT_MAX)\n", p->comm.id, send_n_long);
       fflush(stderr);
-      MPI_Abort(p->comm.c, EXIT_FAILURE);
+      die(EXIT_FAILURE);
     }
 
     recvn = 1, targ = n-1-(id-bl)+bl;

src/findpts_imp.h

@@ -658,8 +658,8 @@ void findpts(      uint   *const  code_base   , const unsigned  code_stride   ,
              const uint npt, struct findpts_data *const fd)
 {
     if (fd->local.ims==1) {
-       printf("Please use findptsms\n");
-       die(1);
+       printf("call findptsms for multi-session support\n");
+       die(EXIT_FAILURE);
     }
     unsigned int sess_base = 0;
     unsigned int sess_match = 0;