add a missing delete

src/libnptm/Commons.cpp

@@ -325,6 +325,7 @@ C1_AddOns::~C1_AddOns() {
   delete[] v3j0;
   delete[] vh;
   delete[] vj0;
+  delete[] vj;
   for (int ai = nlemt - 1; ai > -1; ai--) {
     delete[] am0m[ai];
   }