Add docs for options[:convention] in FFI::Library#attach_function
Add docs for options[:convention] in FFI::Library#attach_function

mvz/ffi,ffi/ffi,mvz/ffi,mvz/ffi,tduehr/ffi,sparkchaser/ffi,ferventcoder/ffi,ferventcoder/ffi,sparkchaser/ffi,majioa/ffi,ferventcoder/ffi,yghannam/ffi,majioa/ffi,sparkchaser/ffi,MikaelSmith/ffi,tduehr/ffi,MikaelSmith/ffi,tduehr/ffi,yghannam/ffi,MikaelSmith/ffi,mvz/ffi,yghannam/ffi,yghannam/ffi,majioa/ffi,ffi/ffi,tduehr/ffi,sparkchaser/ffi,ffi/ffi,MikaelSmith/ffi,yghannam/ffi,ferventcoder/ffi,majioa/ffi