Log Message:-----------update PQexecf man page
Modified Files:-------------- libpqtypes/docs/man3: PQexecf.3 (r1.4 -> r1.5) (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/libpqtypes/libpqtypes/docs/man3/PQexecf.3?r1=1.4&r2=1.5)