inductor: fix bfloat16 store complier issue (#101856)
Fix the bfloat16 compiler error:
```
/tmp/torchinductor_xiaobing/ez/cezrraw7rtu5vkxcfd544i53crqaobycprf5twyvf7b62jrgi75p.cpp: In function ‘void kernel(const bfloat16*, bfloat16*)’:
/tmp/torchinductor_xiaobing/ez/cezrraw7rtu5vkxcfd544i53crqaobycprf5twyvf7b62jrgi75p.cpp:20:79: error: expected ‘;’ before ‘}’ token
20 | tmp0.store(tmp1 + static_cast<long>(16L*i1_inner), 16)
| ^
| ;
21 | }
```
Pull Request resolved: https://github.com/pytorch/pytorch/pull/101856
Approved by: https://github.com/jgong5, https://github.com/EikanWang, https://github.com/desertfire
