Fix crash on innodb_fts.innobase_drop_fts_index_table

We need to pass nonatomic=false (dont allow data dict unlock),
because the transaction may hold locks on SYS_* tables from
previous calls to fts_drop_table().

storage/innobase/fts/fts0fts.cc

@@ -1453,7 +1453,7 @@ fts_drop_table(
 		/* Pass nonatomic=false (dont allow data dict unlock),
 		because the transaction may hold locks on SYS_* tables from
 		previous calls to fts_drop_table(). */
-		error = row_drop_table_for_mysql(table_name, trx, true, false);
+		error = row_drop_table_for_mysql(table_name, trx, true, false, false);
 
 		if (error != DB_SUCCESS) {
 			ib::error() << "Unable to drop FTS index aux table "

storage/innobase/row/row0merge.cc

@@ -4590,7 +4590,7 @@ row_merge_drop_table(
 	ut_a(table->get_ref_count() == 0);
 
 	return(row_drop_table_for_mysql(table->name.m_name,
-					trx, false, false));
+			trx, false, false, false));
 }
 
 /** Write an MLOG_INDEX_LOAD record to indicate in the redo-log