link protobuf library statically.

Fu Juntang

2021-09-26 d8d98f0f5b84a9cf5122357554d35b15c9c140ab

 src/shm/hashtable.cpp

@@ -178,7 +178,6 @@
    goto suc;
  }
  val = _hashtable_get(hashtable, key);
  // val = 1是allockey的情况
  if(val != NULL && val != (void *)1) 
    goto fail;