Update rbpdf gem to 1.19.5 (#28125).

Contributed by Jun NAITOH.


git-svn-id: http://svn.redmine.org/redmine/trunk@17414 e93f8b46-1217-0410-a6f0-8f06a7374b81

Gemfile

@@ -23,7 +23,7 @@ gem "rails-html-sanitizer", ">= 1.0.3"
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem
 gem 'tzinfo-data', platforms: [:mingw, :x64_mingw, :mswin]
-gem "rbpdf", "~> 1.19.4"
+gem "rbpdf", "~> 1.19.5"
 
 # Optional gem for LDAP authentication
 group :ldap do