upgrades: InnoDB upgrade fix

* FIX Runs the sql statement which actually changes the engine from
  MyISAM to InnoDB.

Signed-off-by: Esteban J. G. Gabancho <esteban.gabancho@gmail.com>

invenio_upgrader/upgrades/invenio_2015_07_14_innodb.py

@@ -39,13 +39,14 @@ def do_upgrade():
     """Carry out the upgrade."""
     from flask import current_app
     if current_app.config.get('CFG_DATABASE_TYPE') == 'mysql':
-        run_sql(
+        rows = run_sql(
             "SELECT CONCAT('ALTER TABLE ',TABLE_NAME,' ENGINE=InnoDB;')"
             " FROM INFORMATION_SCHEMA.TABLES"
             " WHERE ENGINE='MyISAM'"
             " AND table_schema = %s",
             (current_app.config.get('CFG_DATABASE_NAME'),)
         )
+        [run_sql(row[0]) for row in rows]
 
 
 def estimate():