Do relocation properly when ignoring unknown symbols
Do relocation properly when ignoring unknown symbols

My previous patch didn't perform the relocation, so it stuck around. Make it a nullptr instead.

yurydelendik/binaryen,ddcc/binaryen,yurydelendik/binaryen,WebAssembly/binaryen,ddcc/binaryen,ddcc/binaryen,yurydelendik/binaryen,WebAssembly/binaryen,yurydelendik/binaryen,ddcc/binaryen,WebAssembly/binaryen,ddcc/binaryen,WebAssembly/binaryen,yurydelendik/binaryen,WebAssembly/binaryen