[erlang-patches] Export ets:match_pattern/0 type

[Joseph Wayne Norton]

https://github.com/norton/otp/commit/589e047e5558d965ca48f96eda3cd452b0627df2


$ git fetch git://github.com/norton/otp.git ets-match-pattern-export-type


commit 589e047e5558d965ca48f96eda3cd452b0627df2
Author: Joseph Wayne Norton <norton@REDACTED>
Date:   Sun Sep 23 21:52:53 2012 +0900

    Export ets:match_pattern/0 type
    
    Similar to match specification, some of the ets functions uses a match
    pattern.  Export the match pattern type to allow for inclusion in the
    types and function specifications of other modules.