scanf.rb: fix rescue modifier
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44196 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
scanf.rb: fix rescue modifier
a patch by Mon_Ouie at [ruby-core:52813]. [Bug #7940]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44196 b2dd03c8-39d4-4d8f-98ff-823fe69b080e