databases/cego: update 2.52.44 -> 2.53.2

• integer cleanup, all int values will be replaced by unsigned or unsigned long, where is no need of nagative values
• for those ports: devel/lfcbase devel/lfcxml databases/cego databases/cegobridge databases/p5-DBD-cego

cego:

• Fix added in CegoDbHander::acceptSession and CegoSerial::readChain to treat empty or invalid session requests
• fix in CegoDbThreadPool for bad message handling

p5-DBD-cego:

• Fix added for execute return value and $sth->rows value to return affected rows for update statements