Add a feature to disable replacing C symbols with rust#177

Merged

apoelstra merged 2 commits intorust-bitcoin:masterfrom

elichai:2019-10-csymbols

Oct 29, 2019

Commits on Oct 28, 2019

Add a 'dont_replace_c_symbols' feature for not replacing C's symbols with rust. isn't compatible with no-std
elichai
committed
Add warnings to Cargo.toml features
elichai
committed