refs #6220 compile handlerton with gcc 4.4

git-svn-id: file:///svn/mysql/tokudb-engine/tokudb-engine@54309 c7de825b-a66e-492c-adef-691d508d4ae1

storage/tokudb/hatoku_hton.cc

@@ -1281,14 +1281,7 @@ static int tokudb_report_fractal_tree_block_map_iterator(uint64_t checkpoint_cou
 static int tokudb_report_fractal_tree_block_map_for_db(const DBT *dname, const DBT *iname, TABLE *table, THD *thd) {
     int error;
     DB *db;
-    struct tokudb_report_fractal_tree_block_map_iterator_extra e = {
-        .num_rows = 0,
-        .i = 0,
-        .checkpoint_counts = NULL,
-        .blocknums = NULL,
-        .diskoffs = NULL,
-        .sizes = NULL,
-    };
+    struct tokudb_report_fractal_tree_block_map_iterator_extra e = {}; // avoid struct initializers so that we can compile with older gcc versions
 
     error = db_create(&db, db_env, 0);
     if (error) {

storage/tokudb/tokudb_card.cc

 int TOKUDB_SHARE::get_status(DB_TXN *txn, HA_METADATA_KEY k, DBT *val) {
-    DBT key = { .data = &k, .size = sizeof k };
+    DBT key = {}; key.data = &k; key.size = sizeof k;
     int error = status_block->get(status_block, txn, &key, val, 0);
     return error;
 }
 
 int TOKUDB_SHARE::get_status(DB_TXN *txn, HA_METADATA_KEY k, void *p, size_t s) {
-    DBT key = { .data = &k, .size = sizeof k };
-    DBT val = { .data = p, .size = (uint32_t) s, }; val.flags = DB_DBT_USERMEM;
+    DBT key = {}; key.data = &k; key.size = sizeof k;
+    DBT val = {}; val.data = p; val.size = (uint32_t) s; val.flags = DB_DBT_USERMEM;
     int error = status_block->get(status_block, txn, &key, &val, 0);
     return error;
 }
 
 int TOKUDB_SHARE::put_status(DB_TXN *txn, HA_METADATA_KEY k, void *p, size_t s) {
-    DBT key = { .data = &k, .size = sizeof k };
-    DBT val = { .data = p, .size = (uint32_t) s };
+    DBT key = {}; key.data = &k; key.size = sizeof k;
+    DBT val = {}; val.data = p; val.size = (uint32_t) s;
     int error = status_block->put(status_block, txn, &key, &val, 0);
     return error;
 }
 
 int TOKUDB_SHARE::delete_status(DB_TXN *txn, HA_METADATA_KEY k) {
-    DBT key = { .data = &k, .size = sizeof k };
+    DBT key = {}; key.data = &k; key.size = sizeof k;
     int error = status_block->del(status_block, txn, &key, DB_DELETE_ANY);
     return error;
 }