drop require 'rubygems', it is not required in pkgsrc and not in ruby18-base.
Update ruby-spreadsheet to 0.9.0.

### 0.9.0 / 16.09.2013

* Author: Pavel <pavel.evst@gmail.com>
Date:   Mon Sep 16 14:02:49 2013 +0700

* Test cases for Worksheet#margins, Worksheet#pagesetup, Workbook#delete_worksheet. Fix bugs related to it.
* Page margins reader/writter
* Markdownify GUIDE
* Add page setup options (landscape or portrait and adjust_to)
Updated math/ruby-spreadsheet to 0.9.0
Needs gmake to install chem (fixes at least SunOS).
Adding MAKE_JOBS_SAFE=no - parallel building causes the issues reported
by nbjoerg@ and can be reproduced by Joyent bulk builds
fixes missing regeneration of build rule file for subversion-1.8.3.
fixes a patch related to perl binding:
* Update comment, `Second hunk' had been removed.
* fixes patch migration at updated to 1.8.0, original part had been changed,
  but still using old part + additional part.
MAKE_JOBS_SAFE=no, and following failures will be fixed.
* native modules may not be linked against libsvn_swig_perl-1, because module
  Makefile may be created before creating the library, and not found.
* inversely, libsvn_swig_perl-1 of previous version may found, but cannot linked
  because of buildlink sandbox.

Bump PKGREVISION (for safe side with update of patch for Makefile.PL).
Restore support for Clang with libc++11. Bump revision.
Restore Clang support with libc++. Additional changes to deal with the
inability of old GCC versions to cast to int implicitly. Bump revision.
Disable unit tests on SunOS, the build currently fails.
Fix segmentation fault due to time_t being longer than long.
While here, allow building it with standard make.
Update "phpmyadmin" package to version 4.0.6.
The major changes since version 3.5.* are:
- HTML frames are gone.
- The navigation panel now presents a tree.
- Javascript now required
- Documentation has a new look.
- Many bug fixes and smaller new features
This update also fixes the security vulnerability reported in PMASA-2013-10.

Approved by Thomas Klausner.
Note update of the "phpmyadmin" package to version 4.0.6.
mysql-5.0 had been removed from pkgsrc.
sync with Makefile (MySQL-5.0 had been dropped).
MySQL-5.0 had been removed from pkgsrc, change to accept any version of mysql.
accept MySQL-5.6 additionally, and remove dropped MySQL-5.0 support.
sort
fixes build with GIFLIB-5.x.