MDEV-19445: After-merge fix

Pass a correct string pointer to RETURN_IF_INNODB_NOT_STARTED. This was caught on Windows. The error was introduced in the merge commit 874f8f3.

Author: dr-m

storage/innobase/handler/i_s.cc

@@ -2867,7 +2867,7 @@ i_s_fts_deleted_generic_fill(
 DBUG_RETURN(0);
 }
 
-RETURN_IF_INNODB_NOT_STARTED(tables->schema_table_name);
+RETURN_IF_INNODB_NOT_STARTED(tables->schema_table_name.str);
 
 /* Prevent DROP of the internal tables for fulltext indexes.
 FIXME: acquire DDL-blocking MDL on the user table name! */
@@ -3277,7 +3277,7 @@ i_s_fts_index_cache_fill(
 DBUG_RETURN(0);
 }
 
-RETURN_IF_INNODB_NOT_STARTED(tables->schema_table_name);
+RETURN_IF_INNODB_NOT_STARTED(tables->schema_table_name.str);
 
 /* Prevent DROP of the internal tables for fulltext indexes.
 FIXME: acquire DDL-blocking MDL on the user table name! */
@@ -3724,7 +3724,7 @@ i_s_fts_index_table_fill(
 DBUG_RETURN(0);
 }
 
-RETURN_IF_INNODB_NOT_STARTED(tables->schema_table_name);
+RETURN_IF_INNODB_NOT_STARTED(tables->schema_table_name.str);
 
 /* Prevent DROP of the internal tables for fulltext indexes.
 FIXME: acquire DDL-blocking MDL on the user table name! */
@@ -3887,7 +3887,7 @@ i_s_fts_config_fill(
 DBUG_RETURN(0);
 }
 
-RETURN_IF_INNODB_NOT_STARTED(tables->schema_table_name);
+RETURN_IF_INNODB_NOT_STARTED(tables->schema_table_name.str);
 
 /* Prevent DROP of the internal tables for fulltext indexes.
 FIXME: acquire DDL-blocking MDL on the user table name! */