Updated colorbox library to point to patched tag

uw_base_profile.make

@@ -2140,9 +2140,11 @@ libraries[codemirror][directory_name] = "codemirror"
 
 ; Colorbox
 ; http://www.jacklmoore.com/colorbox/
+; Base: 1.6.4
+; Patch #832. Issue #765. Colorbox displays empty buttons causing an accessibility issue. https://github.com/jackmoore/colorbox/issues/765
 libraries[colorbox][download][type] = "git"
 libraries[colorbox][download][url] = "https://git.uwaterloo.ca/libraries/colorbox.git"
-libraries[colorbox][download][tag] = "1.6.4"
+libraries[colorbox][download][tag] = "1.6.4-uw_wcms1"
 
 ; ColorPicker
 ; http://www.eyecon.ro/colorpicker/