File shards-0.6.0-stacktrace.patch of Package shards

diff -Ndurp shards-0.6.0/src/shards_task.erl shards-0.6.0-stacktrace/src/shards_task.erl
--- shards-0.6.0/src/shards_task.erl	2018-09-02 04:10:24.000000000 +0300
+++ shards-0.6.0-stacktrace/src/shards_task.erl	2019-01-02 20:38:43.473776963 +0200
@@ -244,6 +244,11 @@ noreply(Info, MFA) ->
 %%%===================================================================
 
 -ifdef(OTP_RELEASE).
+-if (?OTP_RELEASE >= 21).
+-define(OTP_RELEASE_21).
+-endif.
+-endif.
+-ifdef(OTP_RELEASE_21).
 %% OTP 21 or higher
 %% @private
 do_apply(Info, {Module, Fun, Args} = MFA) ->