Treat BLOBs like required in grid INSERTs and UPDATEs. Bug report: http://www.heidisql.com/forum.php?t=5883

Author: ansgarbecker

source/mysql_connection.pas

@@ -2109,6 +2109,7 @@ function TMySQLQuery.SaveModifications: Boolean;
         Val := 'NULL'
       else case Datatype(i).Category of
         dtcInteger, dtcReal: Val := Cell.NewText;
+        dtcBinary: Val := '_binary ' + Cell.NewText;
         else Val := Connection.EscapeString(Cell.NewText);
       end;
       sqlUpdate := sqlUpdate + Connection.QuoteIdent(FColumnOrgNames[i]) + '=' + Val;