Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>, Hackers <pgsql-hackers(at)postgresql(dot)org>
I fixed the patch and now it compiles in windows. The first one did not compile because there were some problems in the Makefile. It is currently available for download at http://gorda.di.uminho.pt/community/pgsqlhooks/.