Fix FuzzExec fuzzer, which forgot to run the opts (#2215) [ci skip]

Author: kripken

scripts/fuzz_opt.py

@@ -205,7 +205,7 @@ def compare_vs(self, before, after):
 class FuzzExec(TestCaseHandler):
   def handle_pair(self, before_wasm, after_wasm, opts):
     # fuzz binaryen interpreter itself. separate invocation so result is easily fuzzable
-    run_bynterp(before_wasm, ['--fuzz-exec', '--fuzz-binary'])
+    run_bynterp(before_wasm, ['--fuzz-exec', '--fuzz-binary'] + opts)
 
 
 # Check for determinism - the same command must have the same output