Undef HAVE___INT128 in basic-config.h to fix gen_context compilation #769

1. 
   real-or-random commented at 9:11 am on July 21, 2020: contributor

   Fixes #768.
2. Undef HAVE___INT128 in basic-config.h to fix gen_context compilation

   Fixes #768.

   22e578bb11
3. 
   sipa commented at 4:08 pm on July 21, 2020: contributor

   utACK
4. jonasnick approved
5. 
   jonasnick commented at 7:10 pm on July 21, 2020: contributor

   ACK 22e578bb11fe62d3e8ac05b5278a076bf7f2fa2e
6. jonasnick merged this on Jul 21, 2020
7. jonasnick closed this on Jul 21, 2020

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8. elichai cross-referenced this on Jul 23, 2020 from issue Add valgrind constant-time test to `make check` by real-or-random
9. deadalnix referenced this in commit 48465415f1 on Sep 27, 2020
10. deadalnix referenced this in commit b81e1609d0 on Sep 28, 2020

Contributors
real-or-random sipa jonasnick