Fix handling of ruby write parameters due to nil vs false

Summary: Need to check for != nil, not just boolean expression

Reviewed By: mcslee

Test Plan: Send a boolean "false" value

Other Notes: Patch submitted by Patrick Collison


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@665310 13f79535-47bb-0310-9956-ffa450edef68
1 file changed