Port r4616: &:symbol not supported in JRuby 1.3.1.  #780.
Port r4616: &:symbol not supported in JRuby 1.3.1.  #780.

See http://jira.codehaus.org/browse/JRUBY-3169.

git-svn-id: 4b387fe5ada7764508e2ca96c335714e4c1692c6@4619 0d517254-b314-0410-acde-c619094fa49f

NUBIC/psc-mirror,NUBIC/psc-mirror,NUBIC/psc-mirror,NUBIC/psc-mirror