Bug#33976268 NDB: gcc 11 Ubuntu 21.10 : build stops with [-Werror=maybe-uninitialized]

LTO phase falsely reported error due to Wmaybe-uninitialized in function read_row in NdbInfoScanVirtual.cpp. Change-Id: I7be0e5f6be3ad6015e89df0f5335f7cfc18ca887

Author: zmur

storage/ndb/src/ndbapi/NdbInfoScanVirtual.cpp

@@ -1445,7 +1445,6 @@ class DictionaryTablesTable : public VirtualTable {
  NdbDictionary::HashMap hashMap;
  char pk_cols[column_buff_size];
  size_t s = 0;
- Uint32 tablespace_id;
 
  // Get value for column "dynamic"
  int is_dynamic = [t]() {
@@ -1465,7 +1464,8 @@ class DictionaryTablesTable : public VirtualTable {
  }
 
  // Get tablespace ID
- bool has_ts = t->getTablespace(&tablespace_id);
+ Uint32 tablespace_id;
+ if (!t->getTablespace(&tablespace_id)) tablespace_id = 0;
 
  w.write_string(elem->database); // database
  w.write_string(t->getName()); // name
@@ -1483,7 +1483,7 @@ class DictionaryTablesTable : public VirtualTable {
  w.write_number(t->getRowSizeInBytes()); // row_size
  w.write_number64(t->getMinRows()); // min_rows
  w.write_number64(t->getMaxRows()); // max_rows
- w.write_number(has_ts ? tablespace_id : 0); // tablespace
+ w.write_number(tablespace_id);  // tablespace
  w.write_number((int) t->getFragmentType()); // fragment_type
  w.write_string(hashMap.getName()); // hash_map
  w.write_number(t->getFragmentCount()); // fragments