Update partial_modal_admin_validation_errors.php

Missing double quote
Merge pull request #23 from Zen4All/patch-1

Update partial_modal_admin_validation_errors.php
CHANGE-341 Update to observer/notifier code to increase number of passable params to 9
CHANGE-484 - Quantities added to cart should adjust to stock rather than just a message
Adjust for Reviews/BuyNow
CHANGE-484 - Quantities added to cart should adjust to stock rather than just a message
Adjust for Reviews/BuyNow to include Product name
ISSUE-58 - Fix wrong separator in zen_href_link when sid must be passed with static URLs and no other parameters
CHANGE-285 - Change template_default doctype to HTML5
CHANGE-285 - Change template_default to use the new sub template for favicon component
CHANGE-285 - Change template_default to use the new css-js generator module, which can be extended via observers instead of hacking up html_output
CHANGE-285 - Change template_default to use the new bodyClasses var to set classes on the body tag
CHANGE-285 - Change template_default to use the new css-js generator module, which can be extended via observers instead of hacking up html_output
(part 2)
CHANGE-285 - Move the closing </html> tag to the tpl_main_page template
CHANGE-285 - Remove deprecated "onload" functionality, in favor of using observer classes and javascript built/called via the css-js generator module
CHANGE-285 - Add convenience code for designers to test messageStack appearance in template
CHANGE-285 - Brief rearrangement to centralize flags controlling template components, to further separate logic from display, within the tpl_main_page template
CHANGE-285 - Split off the navigation into separate subtemplate, and allow tpl_header to be handled by a variable
CHANGE-285 - Split off the navigation into separate subtemplate, and allow tpl_header to be handled by a variable
CHANGE-285 - Brief rearrangement to centralize flags controlling template components, to further separate logic from display, within the tpl_main_page template
CHANGE-285 - Add notifier hook to allow for dynamic alterations to template operation
CHANGE-285 - Update dependencies module to fire the new css-js generator, required now by html_output