Log Message:-----------make IOBuf use unsigned ints
Modified Files:-------------- pgbouncer/include: iobuf.h (r1.2 -> r1.3) (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbouncer/pgbouncer/include/iobuf.h.diff?r1=1.2&r2=1.3) pgbouncer/src: sbuf.c (r1.27 -> r1.28) (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbouncer/pgbouncer/src/sbuf.c.diff?r1=1.27&r2=1.28)