Use tiny_tds 0.7 for ruby < 2.0 (#23932).

git-svn-id: http://svn.redmine.org/redmine/trunk@16061 e93f8b46-1217-0410-a6f0-8f06a7374b81

Gemfile

@@ -79,7 +79,7 @@ if File.exist?(database_file)
         gem "jdbc-sqlite3", ">= 3.8.10.1", :platforms => :jruby
         gem "activerecord-jdbcsqlite3-adapter", :platforms => :jruby
       when /sqlserver/
-        gem "tiny_tds", "~> 1.0.5", :platforms => [:mri, :mingw, :x64_mingw]
+        gem "tiny_tds", (RUBY_VERSION >= "2.0" ? "~> 1.0.5" : "~> 0.7.0"), :platforms => [:mri, :mingw, :x64_mingw]
         gem "activerecord-sqlserver-adapter", :platforms => [:mri, :mingw, :x64_mingw]
       else
         warn("Unknown database adapter `#{adapter}` found in config/database.yml, use Gemfile.local to load your own database gems")