Fix duplicated platforms due to copy/paste error

Patch from Michael Paquier, mistake spotted by KOIZUMI Satoru

diff --git a/doc/src/sgml/installation.sgml b/doc/src/sgml/installation.sgml
index cab9fe7f9a2319ccf77a8c507723ebdba9f03fcd..5c853b65f9c5b6b58d346f8ba1b67e1f1991a571 100644 (file)
--- a/doc/src/sgml/installation.sgml
+++ b/doc/src/sgml/installation.sgml
@@ -2002,7 +2002,6 @@ kill `cat /usr/local/pgsql/data/postmaster.pid`
    PostgreSQL can be expected to work on these operating
    systems: Linux (all recent distributions), Windows (Win2000 SP4 and later),
    FreeBSD, OpenBSD, NetBSD, OS X, AIX, HP/UX, Solaris, Tru64 Unix,
-   FreeBSD, OpenBSD, NetBSD, OS X, AIX, HP/UX, Solaris,
    and UnixWare.  Other Unix-like systems may also work but are not currently
    being tested.  In most cases, all CPU architectures supported by
    a given operating system will work.  Look in