Fix: Initialize has_so to false when reading blps pseudopotential (#1572)

Author: xinyangd

source/module_cell/read_pp_blps.cpp

@@ -5,6 +5,7 @@ int Pseudopot_upf::read_pseudo_blps(std::ifstream &ifs)
     // double bohr2a = 0.529177249;
     this->nlcc = false;
     this->tvanp = false;
+    this->has_so = false;
 
     this->nbeta = 0;
     delete[] kkbeta;
@@ -129,4 +130,4 @@ int Pseudopot_upf::read_pseudo_blps(std::ifstream &ifs)
 //nn             -
 //jchi           -
 //jjj            -
-//nd             -
+//nd             -