AMENDING PROCLAMATION NO. 312 DATED DECEMBER 8, 1967, WHICH RESERVES FOR BUILDING SITE PURPOSES CERTAIN PORTIONS OF THE PRIVATE DOMAIN OF THE GOVERNMENT FORMERLY KNOWN AS FORT SAN PEDRO, BY GRANTING OWNERSHIP OF THE PORTION THEREOF IN FAVOR OF THE PHILIPPINE NATIONAL POLICE (PNP), SITUATED IN THE CITY OF ILOILO, ISLAND OF PANAY