Fix inter-document link to FFI::Library#ffi_convention
Fix inter-document link to FFI::Library#ffi_convention

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