message: Fix called_id
diff: @@ -416,6 +416,7 @@ bool IsFunctionCallContext(CXCursorKind kind) {
  void OnIndexReference_Function(IndexFile* db,
  Range loc_spelling,
  ClangCursor caller_cursor,
  + IndexFuncId called_id,
  IndexFunc* called,
  const std::string& called_usr,
  bool is_implicit) {
  @@ -423,6 +424,7 @@ void OnIndexReference_Function(IndexFile* db,
  IndexFuncId caller_id = db->ToFuncId(caller_cursor.cx_cursor);
  IndexFunc* caller = db->Resolve(caller_id);
  // Calling db->ToFuncId invalidates the FuncDef* ptrs.
  + called = db->Resolve(called_id);
  AddFuncRef(&caller->def.callees,
  IndexFuncRef(called->id, loc_spelling, is_implicit));
  @@ -1056,6 +1058,7 @@ ClangCursor::VisitResult TemplateVisitor(ClangCursor cursor,
  OnIndexReference_Function(data->db,
  ResolveSpelling(cursor.cx_cursor),
  data->container,
  + called_id,
  called,
  ref_usr,
  /*implicit=*/ false);
  @@ -1642,6 +1645,7 @@ void OnIndexReference(CXClientData client_data, const CXIdxEntityRefInfo* ref) {
  OnIndexReference_Function(db, loc_spelling,
  ref->container->cursor,
  + called_id,
  called,
  ref->referencedEntity->USR, is_implicit);
  