pglesslog for Postgres 9.1.1

Hi,

Is anyone able to compile pglesslog under postgres9.1.1 ?
When I try it I got this error:

make -f Makefile.pg_compresslog all
make[1]: Entering directory `/usr/src/postgresql-9.1.1/contrib/pg_lesslog_1.4.2_pg90'
gcc -O2 -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Wendif-labels -Wformat-security -fno-strict-aliasing -fwrapv -I. -I. -I../../src/include -D_GNU_SOURCE   -c -o remove.o remove.c
remove.c: In function ‘remove_bkp_block’:
remove.c:182: error: ‘XLOG_GIN_INSERT’ undeclared (first use in this function)
remove.c:182: error: (Each undeclared identifier is reported only once
remove.c:182: error: for each function it appears in.)
remove.c:184: error: ‘XLOG_GIN_VACUUM_PAGE’ undeclared (first use in this function)
remove.c:186: error: ‘XLOG_GIN_DELETE_PAGE’ undeclared (first use in this function)
make[1]: *** [remove.o] Error 1
make[1]: Leaving directory `/usr/src/postgresql-9.1.1/contrib/pg_lesslog_1.4.2_pg90'
make: *** [all] Error 2

Regards
Louis