fix const

Author: iProzd

source/api_cc/include/common.h

@@ -102,7 +102,7 @@ void select_real_atoms_coord(std::vector<VALUETYPE>& dcoord,
                              const int& nall,
                              const bool aparam_nall = false);
 
-void select_real_atoms_sendlist(const deepmd::InputNlist& inlist, std::vector<int>& fwd_map);
+void select_real_atoms_sendlist(const deepmd::InputNlist& inlist, const std::vector<int>& fwd_map);
 
 /**
  * @brief Apply the given map to a vector.

source/api_cc/src/common.cc

@@ -232,7 +232,7 @@ template void deepmd::select_real_atoms_coord<float>(
     const int& nall,
     const bool aparam_nall);
 
-void deepmd::select_real_atoms_sendlist(const deepmd::InputNlist& inlist, std::vector<int>& fwd_map){
+void deepmd::select_real_atoms_sendlist(const deepmd::InputNlist& inlist, const std::vector<int>& fwd_map){
       int nswap = inlist.nswap;
       std::vector<std::vector<int>> sendlist_new;
       sendlist_new.resize(nswap);