Paul Yang cf7c15e31a Fix ruby gc_test in ruby 2.4 (#4011) ... * Fix ruby gc_test in ruby 2.4 * Initialize global variables to Qnil.		2017-12-08 12:38:25 -08:00
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protobuf_c	Fix ruby gc_test in ruby 2.4 (#4011)	2017-12-08 12:38:25 -08:00