nulayer/subexec — pull request #5 by johnthethird (2011-10-17 02:58:21+00:00)
Title: When running under JRuby (1.8 mode), exitstatus is not initialized to 0

When running under JRuby (1.8 mode), exitstatus is not initialized to 0, and then CarrierWave thinks the exec failed.