NFC Avoid a warning in WasmEHPrepare.cpp

```
../lib/CodeGen/WasmEHPrepare.cpp:166:30: warning: extra ‘;’ [-Wpedantic]
                 false, false);
                              ^
```


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@333732 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed