Add gen_context src/ecmult_static_context.h to CLEANFILES to fix distclean.
Add gen_context src/ecmult_static_context.h to CLEANFILES to fix distclean.

evoskuil/secp256k1,libbitcoin/secp256k1,Justaphf/BitcoinUnlimited,apoelstra/secp256k1,apoelstra/secp256k1,Bitcoin-com/BUcash,sipa/secp256k1-zkp,shea256/secp256k1-zkp,sipa/secp256k1-zkp,instagibbs/secp256k1,libbitcoin/secp256k1,marcusdiaz/BitcoinUnlimited,sipa/secp256k1-zkp,chfast/secp256k1,GSongHashrate/secp256k1,kleetus/secp256k1,BTCfork/hardfork_prototype_1_mvf-bu,BitcoinUnlimited/BitcoinUnlimited,peterdettman/secp256k1,BTCfork/hardfork_prototype_1_mvf-bu,Justaphf/BitcoinUnlimited,martindale/secp256k1,evoskuil/secp256k1,randy-waterhouse/secp256k1,Gustav-Simonsson/secp256k1,01BTC10/secp256k1,ftrader-bitcoinunlimited/hardfork_prototype_1_mvf-bu,bitcoin-core/secp256k1,Bitcoin-com/BUcash,bitcoin/secp256k1,shea256/secp256k1-zkp,chfast/secp256k1,GSongHashrate/secp256k1,ElementsProject/secp256k1-zkp,01BTC10/secp256k1,peterdettman/secp256k1,cddjr/BitcoinUnlimited,sipa/secp256k1-zkp,digitalbitbox/secp256k1,pmienk/secp256k1,martindale/secp256k1,ElementsProject/secp256k1-zkp,kleetus/secp256k1,rustyrussell/secp256k1,evoskuil/secp256k1,01BTC10/secp256k1,marcusdiaz/BitcoinUnlimited,sipa/secp256k1,ftrader-bitcoinunlimited/hardfork_prototype_1_mvf-bu,evoskuil/secp256k1,apoelstra/secp256k1,vlajos/secp256k1,bitcoin-core/secp256k1,chfast/secp256k1,kleetus/secp256k1,sipa/secp256k1,cddjr/BitcoinUnlimited,cddjr/BitcoinUnlimited,chfast/secp256k1,rustyrussell/secp256k1,cddjr/BitcoinUnlimited,instagibbs/secp256k1,afk11/secp256k1,ftrader-bitcoinunlimited/hardfork_prototype_1_mvf-bu,pmienk/secp256k1,krzysztofwos/BitcoinUnlimited,digitalbitbox/secp256k1,voisine/secp256k1,afk11/secp256k1,Bitcoin-com/BUcash,kleetus/secp256k1,rustyrussell/secp256k1,Bitcoin-com/BUcash,martindale/secp256k1,Justaphf/BitcoinUnlimited,pmienk/secp256k1,bitcoin/secp256k1,Bitcoin-com/BUcash,afk11/secp256k1,digitalbitbox/secp256k1,instagibbs/secp256k1,BTCfork/hardfork_prototype_1_mvf-bu,ChrisXin/secp256k1,GSongHashrate/secp256k1,instagibbs/secp256k1,BTCfork/hardfork_prototype_1_mvf-bu,BitcoinUnlimited/BitcoinUnlimited,afk11/secp256k1,voisine/secp256k1,martindale/secp256k1,BTCfork/hardfork_prototype_1_mvf-bu,instagibbs/secp256k1,afk11/secp256k1,GSongHashrate/secp256k1,bitcoin/secp256k1,ChrisXin/secp256k1,digitalbitbox/secp256k1,BTCfork/hardfork_prototype_1_mvf-bu,ftrader-bitcoinunlimited/hardfork_prototype_1_mvf-bu,sipa/secp256k1,apoelstra/secp256k1,marcusdiaz/BitcoinUnlimited,bitcoin/secp256k1,randy-waterhouse/secp256k1,apoelstra/secp256k1,krzysztofwos/BitcoinUnlimited,randy-waterhouse/secp256k1,digitalbitbox/secp256k1,bitcoin/secp256k1,vlajos/secp256k1,krzysztofwos/BitcoinUnlimited,marcusdiaz/BitcoinUnlimited,marcusdiaz/BitcoinUnlimited,vlajos/secp256k1,Bitcoin-com/BUcash,voisine/secp256k1,ftrader-bitcoinunlimited/hardfork_prototype_1_mvf-bu,Gustav-Simonsson/secp256k1,BitcoinUnlimited/BitcoinUnlimited,chfast/secp256k1,Gustav-Simonsson/secp256k1,krzysztofwos/BitcoinUnlimited,sipa/secp256k1,krzysztofwos/BitcoinUnlimited,BitcoinUnlimited/BitcoinUnlimited,ChrisXin/secp256k1,pmienk/secp256k1,Justaphf/BitcoinUnlimited,marcusdiaz/BitcoinUnlimited,voisine/secp256k1,Justaphf/BitcoinUnlimited,rustyrussell/secp256k1,libbitcoin/secp256k1,ChrisXin/secp256k1,voisine/secp256k1,randy-waterhouse/secp256k1,krzysztofwos/BitcoinUnlimited,01BTC10/secp256k1,shea256/secp256k1-zkp,pmienk/secp256k1,ftrader-bitcoinunlimited/hardfork_prototype_1_mvf-bu,BitcoinUnlimited/BitcoinUnlimited,sipa/secp256k1-zkp,shea256/secp256k1-zkp,libbitcoin/secp256k1,evoskuil/secp256k1,BitcoinUnlimited/BitcoinUnlimited,Justaphf/BitcoinUnlimited,vlajos/secp256k1,Gustav-Simonsson/secp256k1,libbitcoin/secp256k1,cddjr/BitcoinUnlimited,cddjr/BitcoinUnlimited,kleetus/secp256k1