Al comienzo - Revert "Basado en http://stackoverflow.com/questions/8028957/headers-already-sent-by-php se trata de corregir un error"

This reverts commit 4cf54774f9cb4fc9429e86104bdec6f650905e3f.
Basado en http://stackoverflow.com/questions/8028957/headers-already-sent-by-php se trata de corregir un error