Get rid of reserved _t in type names #479

1. 
   sipa commented at 10:01 pm on September 27, 2017: contributor
2. Get rid of reserved _t in type names d1dc9dfc0a
3. sipa force-pushed on Sep 27, 2017
4. 
   gmaxwell commented at 11:34 pm on November 8, 2017: contributor

   ACK.
5. sipa merged this on Nov 8, 2017
6. sipa closed this on Nov 8, 2017

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7. sipa referenced this in commit 6ad5cdb42a on Nov 8, 2017
8. gmaxwell cross-referenced this on Oct 6, 2020 from issue Rename memczero by roconnor-blockstream
9. elichai cross-referenced this on Oct 20, 2021 from issue Replace MuSig(1) module with MuSig2 by jonasnick

Contributors
sipa gmaxwell