[ruby/fiddle] Simplify libc and libm path logics (https://github.com/ruby/fiddle/pull/91)
If nil, no need to set to nil.
https://github.com/ruby/fiddle/commit/4323e689d8
[ruby/fiddle] Simplify libc and libm path logics (https://github.com/ruby/fiddle/pull/91)
If nil, no need to set to nil.
https://github.com/ruby/fiddle/commit/4323e689d8