Fuzzer: Fix wasm2c name mangling (#3228)
Fuzzer: Fix wasm2c name mangling (#3228)

This is necessary for cases where the input has an export name that
needs mangling, like a name with - (common in the spec test suite).
WebAssembly/binaryen,WebAssembly/binaryen,WebAssembly/binaryen,WebAssembly/binaryen,WebAssembly/binaryen