Ruby » Ruby master

digest.c: raise exception on init failure

• ext/digest/digest.c: expect digest init and finish functions to
  indicate success or failure; raise exception on failure.
  [ruby-core:61614] [Bug #9659]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46826 b2dd03c8-39d4-4d8f-98ff-823fe69b080e