mail/postfixadmin: Add missing dependency, Fix packaging failure with DOCS option

Fix the following bugs:

- missing PHP extension dependency introduced with the previous commit
- missing README.md file when port is built with DOCS unset

While here: move the last of the documentation files into DOCSDIR

PR:		231424
Submitted by:	ports.maintainer@evilphi.com

1 files changed, 10 insertions, 10 deletions

diff --git a/mail/postfixadmin/files/pkg-message.in b/mail/postfixadmin/files/pkg-message.in
index 4e44b826d89a..88b99af3afa6 100644
--- a/mail/postfixadmin/files/pkg-message.in
+++ b/mail/postfixadmin/files/pkg-message.in
@@ -1,14 +1,14 @@
-If you are upgrading, you may need to update your current installation's
-database.  You can do so by browsing to [URL]/setup.php where [URL] is the
+If you are upgrading, you may need to update your existing database.
+You can do so by browsing to [URL]/setup.php where [URL] is the
 postfixadmin root.
 
-To avoid checksum errors when removing or upgrading postfixadmin, do not
-edit config.inc.php.  Instead, put your configuration settings in
-config.local.php in the postfixadmin webroot.  That file will be included
-automatically by config.inc.php.
+To avoid checksum errors when uninstalling or upgrading postfixadmin,
+do not edit config.inc.php.  Instead, put your configuration settings
+in config.local.php in the postfixadmin webroot.  That file will be
+included automatically by config.inc.php.
 
-For detailed information, please see the complete installation steps in
-%%DATADIR%%/INSTALL.TXT.
+For detailed information, please see the complete installation steps
+in %%DOCSDIR%%/INSTALL.TXT.
 
-See %%DATADIR%%/CHANGELOG.TXT for any upgrade-related details, including
-configuration changes.
+For upgrade-related details, including configuration changes, see
+%%DOCSDIR%%/CHANGELOG.TXT.