Corrected bugs for Brazilian Portuguese version

Hi,

I corrected the file

.../components/com_events/language/portuguese.php

// Short day names
DEFINE("_CAL_LANG_SUNDAYSHORT", "D";
DEFINE("_CAL_LANG_MONDAYSHORT", "S";
DEFINE("_CAL_LANG_TUESDAYSHORT", "Q";
DEFINE("_CAL_LANG_WEDNESDAYSHORT", "Q";
DEFINE("_CAL_LANG_THURSDAYSHORT", "Q";
DEFINE("_CAL_LANG_FRIDAYSHORT", "S";
DEFINE("_CAL_LANG_SATURDAYSHORT", "D";

To

// Short day names corrected
DEFINE("_CAL_LANG_SUNDAYSHORT", "D";
DEFINE("_CAL_LANG_MONDAYSHORT", "S";
DEFINE("_CAL_LANG_TUESDAYSHORT", "T";
DEFINE("_CAL_LANG_WEDNESDAYSHORT", "Q";
DEFINE("_CAL_LANG_THURSDAYSHORT", "Q";
DEFINE("_CAL_LANG_FRIDAYSHORT", "S";
DEFINE("_CAL_LANG_SATURDAYSHORT", "S";

Cheers,

Sybele Groff