Comment 7 for bug 660227

I verified that the fix is good on a clean maverick i386 install with only php5 added from proposed:

clint@maverick-mini-32:~$ fgrep Package: /var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_maverick-proposed_*_Packages|cut -d' ' -f2|xargs dpkg -l 2>&1|grep -v '^No' |grep '^ii'
ii libc-bin 2.12.1-0ubuntu6 Embedded GNU C Library: Binaries
ii libc6 2.12.1-0ubuntu6 Embedded GNU C Library: Shared libraries
ii libdrm-intel1 2.4.21-1ubuntu2 Userspace interface to intel-specific kernel DRM services -- runtime
ii libdrm-nouveau1 2.4.21-1ubuntu2 Userspace interface to nouveau-specific kernel DRM services -- runtime
ii libdrm-radeon1 2.4.21-1ubuntu2 Userspace interface to radeon-specific kernel DRM services -- runtime
ii libdrm2 2.4.21-1ubuntu2 Userspace interface to kernel DRM services -- runtime
ii libldap-2.4-2 2.4.23-0ubuntu3 OpenLDAP libraries
ii libudev0 162-2 udev library
ii linux-headers-2.6.35-22 2.6.35-22.34 Header files related to Linux kernel version 2.6.35
ii linux-headers-2.6.35-22-generic 2.6.35-22.34 Linux kernel headers for version 2.6.35 on x86/x86_64
ii linux-image-2.6.35-22-generic 2.6.35-22.34 Linux kernel image for version 2.6.35 on x86/x86_64
ii php5-cli 5.3.3-1ubuntu9.1 command-line interpreter for the php5 scripting language
ii php5-common 5.3.3-1ubuntu9.1 Common files for packages built from the php5 source
ii php5-pgsql 5.3.3-1ubuntu9.1 PostgreSQL module for php5
ii tzdata 2010m-0ubuntu0.10.10 time zone and daylight-saving time data
ii udev 162-2 rule-based device node and kernel event manager
clint@maverick-mini-32:~$ php test.php
PHP Warning: pg_connect(): Unable to connect to PostgreSQL server: could not connect to server: No such file or directory
 Is the server running locally and accepting
 connections on Unix domain socket "/var/run/postgresql/.s.PGSQL.5432"? in /home/clint/test.php on line 3
Connection Failure